Home / 15,177.08-22,774.26-9,985.40

Finding the Fourth Proportional to 15,177.08, 22,774.26 and 9,985.40

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Solution

The fourth proportional to 15,177.08, 22,774.26 and 9,985.40 is: 14,983.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.08 : 22,774.26 = 9,985.40 : x
  2. Step 2: Convert to fraction form
    15,177.08/22,774.26 = 9,985.40/x
  3. Step 3: Cross multiply
    15,177.08x = 22,774.26 × 9,985.40
  4. Step 4: Simplify right side
    15,177.08x = 227,410,095.80
  5. Step 5: Solve for x
    x = 227,410,095.80/15,177.08
  6. Step 6: Final answer
    x = 14,983.78

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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.