Home / 15,094.20-20,827.38-9,427.92

Finding the Fourth Proportional to 15,094.20, 20,827.38 and 9,427.92

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Solution

The fourth proportional to 15,094.20, 20,827.38 and 9,427.92 is: 13,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,094.20 : 20,827.38 = 9,427.92 : x
  2. Step 2: Convert to fraction form
    15,094.20/20,827.38 = 9,427.92/x
  3. Step 3: Cross multiply
    15,094.20x = 20,827.38 × 9,427.92
  4. Step 4: Simplify right side
    15,094.20x = 196,358,872.45
  5. Step 5: Solve for x
    x = 196,358,872.45/15,094.20
  6. Step 6: Final answer
    x = 13,008.90

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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.