Home / 15,575.91-21,495.05-8,502.31

Finding the Fourth Proportional to 15,575.91, 21,495.05 and 8,502.31

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Solution

The fourth proportional to 15,575.91, 21,495.05 and 8,502.31 is: 11,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,575.91 : 21,495.05 = 8,502.31 : x
  2. Step 2: Convert to fraction form
    15,575.91/21,495.05 = 8,502.31/x
  3. Step 3: Cross multiply
    15,575.91x = 21,495.05 × 8,502.31
  4. Step 4: Simplify right side
    15,575.91x = 182,757,578.57
  5. Step 5: Solve for x
    x = 182,757,578.57/15,575.91
  6. Step 6: Final answer
    x = 11,733.35

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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.