Home / 10,904.19-16,319.22-9,151.16

Finding the Fourth Proportional to 10,904.19, 16,319.22 and 9,151.16

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Solution

The fourth proportional to 10,904.19, 16,319.22 and 9,151.16 is: 13,695.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.19 : 16,319.22 = 9,151.16 : x
  2. Step 2: Convert to fraction form
    10,904.19/16,319.22 = 9,151.16/x
  3. Step 3: Cross multiply
    10,904.19x = 16,319.22 × 9,151.16
  4. Step 4: Simplify right side
    10,904.19x = 149,339,711.70
  5. Step 5: Solve for x
    x = 149,339,711.70/10,904.19
  6. Step 6: Final answer
    x = 13,695.63

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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.