Home / 10,752.92-16,128.48-4,909.08

Finding the Fourth Proportional to 10,752.92, 16,128.48 and 4,909.08

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Solution

The fourth proportional to 10,752.92, 16,128.48 and 4,909.08 is: 7,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752.92 : 16,128.48 = 4,909.08 : x
  2. Step 2: Convert to fraction form
    10,752.92/16,128.48 = 4,909.08/x
  3. Step 3: Cross multiply
    10,752.92x = 16,128.48 × 4,909.08
  4. Step 4: Simplify right side
    10,752.92x = 79,175,998.60
  5. Step 5: Solve for x
    x = 79,175,998.60/10,752.92
  6. Step 6: Final answer
    x = 7,363.21

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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.