Home / 10,752.60-16,128.46-4,909.13

Finding the Fourth Proportional to 10,752.60, 16,128.46 and 4,909.13

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Solution

The fourth proportional to 10,752.60, 16,128.46 and 4,909.13 is: 7,363.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752.60 : 16,128.46 = 4,909.13 : x
  2. Step 2: Convert to fraction form
    10,752.60/16,128.46 = 4,909.13/x
  3. Step 3: Cross multiply
    10,752.60x = 16,128.46 × 4,909.13
  4. Step 4: Simplify right side
    10,752.60x = 79,176,706.84
  5. Step 5: Solve for x
    x = 79,176,706.84/10,752.60
  6. Step 6: Final answer
    x = 7,363.49

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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.