Home / 19,537.80-29,306.70-6,390.60

Finding the Fourth Proportional to 19,537.80, 29,306.70 and 6,390.60

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Solution

The fourth proportional to 19,537.80, 29,306.70 and 6,390.60 is: 9,585.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,537.80 : 29,306.70 = 6,390.60 : x
  2. Step 2: Convert to fraction form
    19,537.80/29,306.70 = 6,390.60/x
  3. Step 3: Cross multiply
    19,537.80x = 29,306.70 × 6,390.60
  4. Step 4: Simplify right side
    19,537.80x = 187,287,397.02
  5. Step 5: Solve for x
    x = 187,287,397.02/19,537.80
  6. Step 6: Final answer
    x = 9,585.90

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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.