Home / 9,731.61-13,432.91-6,751.40

Finding the Fourth Proportional to 9,731.61, 13,432.91 and 6,751.40

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Solution

The fourth proportional to 9,731.61, 13,432.91 and 6,751.40 is: 9,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731.61 : 13,432.91 = 6,751.40 : x
  2. Step 2: Convert to fraction form
    9,731.61/13,432.91 = 6,751.40/x
  3. Step 3: Cross multiply
    9,731.61x = 13,432.91 × 6,751.40
  4. Step 4: Simplify right side
    9,731.61x = 90,690,847.65
  5. Step 5: Solve for x
    x = 90,690,847.65/9,731.61
  6. Step 6: Final answer
    x = 9,319.20

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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.