Home / 15,955.23-22,023.05-9,242.49

Finding the Fourth Proportional to 15,955.23, 22,023.05 and 9,242.49

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Solution

The fourth proportional to 15,955.23, 22,023.05 and 9,242.49 is: 12,757.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.23 : 22,023.05 = 9,242.49 : x
  2. Step 2: Convert to fraction form
    15,955.23/22,023.05 = 9,242.49/x
  3. Step 3: Cross multiply
    15,955.23x = 22,023.05 × 9,242.49
  4. Step 4: Simplify right side
    15,955.23x = 203,547,819.39
  5. Step 5: Solve for x
    x = 203,547,819.39/15,955.23
  6. Step 6: Final answer
    x = 12,757.44

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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.