Home / 15,217.83-21,001.01-8,504.19

Finding the Fourth Proportional to 15,217.83, 21,001.01 and 8,504.19

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Solution

The fourth proportional to 15,217.83, 21,001.01 and 8,504.19 is: 11,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.83 : 21,001.01 = 8,504.19 : x
  2. Step 2: Convert to fraction form
    15,217.83/21,001.01 = 8,504.19/x
  3. Step 3: Cross multiply
    15,217.83x = 21,001.01 × 8,504.19
  4. Step 4: Simplify right side
    15,217.83x = 178,596,536.71
  5. Step 5: Solve for x
    x = 178,596,536.71/15,217.83
  6. Step 6: Final answer
    x = 11,736.01

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Double scale
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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.