Home / 14,139.28-19,497-8,832.16

Finding the Fourth Proportional to 14,139.28, 19,497 and 8,832.16

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Solution

The fourth proportional to 14,139.28, 19,497 and 8,832.16 is: 12,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,139.28 : 19,497 = 8,832.16 : x
  2. Step 2: Convert to fraction form
    14,139.28/19,497 = 8,832.16/x
  3. Step 3: Cross multiply
    14,139.28x = 19,497 × 8,832.16
  4. Step 4: Simplify right side
    14,139.28x = 172,200,623.52
  5. Step 5: Solve for x
    x = 172,200,623.52/14,139.28
  6. Step 6: Final answer
    x = 12,178.88

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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.