Home / 19,788.59-27,307.05-10,836.20

Finding the Fourth Proportional to 19,788.59, 27,307.05 and 10,836.20

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Solution

The fourth proportional to 19,788.59, 27,307.05 and 10,836.20 is: 14,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.59 : 27,307.05 = 10,836.20 : x
  2. Step 2: Convert to fraction form
    19,788.59/27,307.05 = 10,836.20/x
  3. Step 3: Cross multiply
    19,788.59x = 27,307.05 × 10,836.20
  4. Step 4: Simplify right side
    19,788.59x = 295,904,655.21
  5. Step 5: Solve for x
    x = 295,904,655.21/19,788.59
  6. Step 6: Final answer
    x = 14,953.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.