Home / 10,398.28-14,325.30-7,248.84

Finding the Fourth Proportional to 10,398.28, 14,325.30 and 7,248.84

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Solution

The fourth proportional to 10,398.28, 14,325.30 and 7,248.84 is: 9,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,398.28 : 14,325.30 = 7,248.84 : x
  2. Step 2: Convert to fraction form
    10,398.28/14,325.30 = 7,248.84/x
  3. Step 3: Cross multiply
    10,398.28x = 14,325.30 × 7,248.84
  4. Step 4: Simplify right side
    10,398.28x = 103,841,807.65
  5. Step 5: Solve for x
    x = 103,841,807.65/10,398.28
  6. Step 6: Final answer
    x = 9,986.44

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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.