Home / 12,572.72-17,350.65-6,907.83

Finding the Fourth Proportional to 12,572.72, 17,350.65 and 6,907.83

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Solution

The fourth proportional to 12,572.72, 17,350.65 and 6,907.83 is: 9,532.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.72 : 17,350.65 = 6,907.83 : x
  2. Step 2: Convert to fraction form
    12,572.72/17,350.65 = 6,907.83/x
  3. Step 3: Cross multiply
    12,572.72x = 17,350.65 × 6,907.83
  4. Step 4: Simplify right side
    12,572.72x = 119,855,275.52
  5. Step 5: Solve for x
    x = 119,855,275.52/12,572.72
  6. Step 6: Final answer
    x = 9,532.96

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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.