Home / 19,532.80-29,318.40-9,683.20

Finding the Fourth Proportional to 19,532.80, 29,318.40 and 9,683.20

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Solution

The fourth proportional to 19,532.80, 29,318.40 and 9,683.20 is: 14,534.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,532.80 : 29,318.40 = 9,683.20 : x
  2. Step 2: Convert to fraction form
    19,532.80/29,318.40 = 9,683.20/x
  3. Step 3: Cross multiply
    19,532.80x = 29,318.40 × 9,683.20
  4. Step 4: Simplify right side
    19,532.80x = 283,895,930.88
  5. Step 5: Solve for x
    x = 283,895,930.88/19,532.80
  6. Step 6: Final answer
    x = 14,534.32

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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.