Home / 19,886.20-27,442.59-10,933.60

Finding the Fourth Proportional to 19,886.20, 27,442.59 and 10,933.60

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Solution

The fourth proportional to 19,886.20, 27,442.59 and 10,933.60 is: 15,088.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886.20 : 27,442.59 = 10,933.60 : x
  2. Step 2: Convert to fraction form
    19,886.20/27,442.59 = 10,933.60/x
  3. Step 3: Cross multiply
    19,886.20x = 27,442.59 × 10,933.60
  4. Step 4: Simplify right side
    19,886.20x = 300,046,302.02
  5. Step 5: Solve for x
    x = 300,046,302.02/19,886.20
  6. Step 6: Final answer
    x = 15,088.17

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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.