Home / 9,631.28-14,453.40-7,168.88

Finding the Fourth Proportional to 9,631.28, 14,453.40 and 7,168.88

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Solution

The fourth proportional to 9,631.28, 14,453.40 and 7,168.88 is: 10,758.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631.28 : 14,453.40 = 7,168.88 : x
  2. Step 2: Convert to fraction form
    9,631.28/14,453.40 = 7,168.88/x
  3. Step 3: Cross multiply
    9,631.28x = 14,453.40 × 7,168.88
  4. Step 4: Simplify right side
    9,631.28x = 103,614,690.19
  5. Step 5: Solve for x
    x = 103,614,690.19/9,631.28
  6. Step 6: Final answer
    x = 10,758.14

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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.