Home / 15,606.29-21,536.67-8,532.71

Finding the Fourth Proportional to 15,606.29, 21,536.67 and 8,532.71

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Solution

The fourth proportional to 15,606.29, 21,536.67 and 8,532.71 is: 11,775.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.29 : 21,536.67 = 8,532.71 : x
  2. Step 2: Convert to fraction form
    15,606.29/21,536.67 = 8,532.71/x
  3. Step 3: Cross multiply
    15,606.29x = 21,536.67 × 8,532.71
  4. Step 4: Simplify right side
    15,606.29x = 183,766,051.79
  5. Step 5: Solve for x
    x = 183,766,051.79/15,606.29
  6. Step 6: Final answer
    x = 11,775.13

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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.