Home / 9,937.50-14,909.76-4,390.13

Finding the Fourth Proportional to 9,937.50, 14,909.76 and 4,390.13

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Solution

The fourth proportional to 9,937.50, 14,909.76 and 4,390.13 is: 6,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,937.50 : 14,909.76 = 4,390.13 : x
  2. Step 2: Convert to fraction form
    9,937.50/14,909.76 = 4,390.13/x
  3. Step 3: Cross multiply
    9,937.50x = 14,909.76 × 4,390.13
  4. Step 4: Simplify right side
    9,937.50x = 65,455,710.12
  5. Step 5: Solve for x
    x = 65,455,710.12/9,937.50
  6. Step 6: Final answer
    x = 6,586.74

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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.