Home / 15,005.28-22,495.15-9,165.99

Finding the Fourth Proportional to 15,005.28, 22,495.15 and 9,165.99

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Solution

The fourth proportional to 15,005.28, 22,495.15 and 9,165.99 is: 13,741.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,005.28 : 22,495.15 = 9,165.99 : x
  2. Step 2: Convert to fraction form
    15,005.28/22,495.15 = 9,165.99/x
  3. Step 3: Cross multiply
    15,005.28x = 22,495.15 × 9,165.99
  4. Step 4: Simplify right side
    15,005.28x = 206,190,319.95
  5. Step 5: Solve for x
    x = 206,190,319.95/15,005.28
  6. Step 6: Final answer
    x = 13,741.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.