Home / 11,488.16-17,217.54-10,001.30

Finding the Fourth Proportional to 11,488.16, 17,217.54 and 10,001.30

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Solution

The fourth proportional to 11,488.16, 17,217.54 and 10,001.30 is: 14,989.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,488.16 : 17,217.54 = 10,001.30 : x
  2. Step 2: Convert to fraction form
    11,488.16/17,217.54 = 10,001.30/x
  3. Step 3: Cross multiply
    11,488.16x = 17,217.54 × 10,001.30
  4. Step 4: Simplify right side
    11,488.16x = 172,197,782.80
  5. Step 5: Solve for x
    x = 172,197,782.80/11,488.16
  6. Step 6: Final answer
    x = 14,989.15

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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.