Home / 15,971.08-22,060.12-13,461.52

Finding the Fourth Proportional to 15,971.08, 22,060.12 and 13,461.52

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Solution

The fourth proportional to 15,971.08, 22,060.12 and 13,461.52 is: 18,593.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,971.08 : 22,060.12 = 13,461.52 : x
  2. Step 2: Convert to fraction form
    15,971.08/22,060.12 = 13,461.52/x
  3. Step 3: Cross multiply
    15,971.08x = 22,060.12 × 13,461.52
  4. Step 4: Simplify right side
    15,971.08x = 296,962,746.58
  5. Step 5: Solve for x
    x = 296,962,746.58/15,971.08
  6. Step 6: Final answer
    x = 18,593.78

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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.