Home / 15,341.20-22,999.65-8,415.70

Finding the Fourth Proportional to 15,341.20, 22,999.65 and 8,415.70

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Solution

The fourth proportional to 15,341.20, 22,999.65 and 8,415.70 is: 12,616.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,341.20 : 22,999.65 = 8,415.70 : x
  2. Step 2: Convert to fraction form
    15,341.20/22,999.65 = 8,415.70/x
  3. Step 3: Cross multiply
    15,341.20x = 22,999.65 × 8,415.70
  4. Step 4: Simplify right side
    15,341.20x = 193,558,154.51
  5. Step 5: Solve for x
    x = 193,558,154.51/15,341.20
  6. Step 6: Final answer
    x = 12,616.88

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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.