Home / 13,358.28-18,423.24-10,008.96

Finding the Fourth Proportional to 13,358.28, 18,423.24 and 10,008.96

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Solution

The fourth proportional to 13,358.28, 18,423.24 and 10,008.96 is: 13,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.28 : 18,423.24 = 10,008.96 : x
  2. Step 2: Convert to fraction form
    13,358.28/18,423.24 = 10,008.96/x
  3. Step 3: Cross multiply
    13,358.28x = 18,423.24 × 10,008.96
  4. Step 4: Simplify right side
    13,358.28x = 184,397,472.23
  5. Step 5: Solve for x
    x = 184,397,472.23/13,358.28
  6. Step 6: Final answer
    x = 13,803.98

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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.