Home / 15,217.04-21,002.28-8,844.50

Finding the Fourth Proportional to 15,217.04, 21,002.28 and 8,844.50

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Solution

The fourth proportional to 15,217.04, 21,002.28 and 8,844.50 is: 12,207.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.04 : 21,002.28 = 8,844.50 : x
  2. Step 2: Convert to fraction form
    15,217.04/21,002.28 = 8,844.50/x
  3. Step 3: Cross multiply
    15,217.04x = 21,002.28 × 8,844.50
  4. Step 4: Simplify right side
    15,217.04x = 185,754,665.46
  5. Step 5: Solve for x
    x = 185,754,665.46/15,217.04
  6. Step 6: Final answer
    x = 12,207.02

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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.