Home / 10,469.55-14,444.40-6,489.21

Finding the Fourth Proportional to 10,469.55, 14,444.40 and 6,489.21

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Solution

The fourth proportional to 10,469.55, 14,444.40 and 6,489.21 is: 8,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,469.55 : 14,444.40 = 6,489.21 : x
  2. Step 2: Convert to fraction form
    10,469.55/14,444.40 = 6,489.21/x
  3. Step 3: Cross multiply
    10,469.55x = 14,444.40 × 6,489.21
  4. Step 4: Simplify right side
    10,469.55x = 93,732,744.92
  5. Step 5: Solve for x
    x = 93,732,744.92/10,469.55
  6. Step 6: Final answer
    x = 8,952.89

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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.