Home / 19,423.18-29,134.78-8,322.66

Finding the Fourth Proportional to 19,423.18, 29,134.78 and 8,322.66

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Solution

The fourth proportional to 19,423.18, 29,134.78 and 8,322.66 is: 12,483.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423.18 : 29,134.78 = 8,322.66 : x
  2. Step 2: Convert to fraction form
    19,423.18/29,134.78 = 8,322.66/x
  3. Step 3: Cross multiply
    19,423.18x = 29,134.78 × 8,322.66
  4. Step 4: Simplify right side
    19,423.18x = 242,478,868.11
  5. Step 5: Solve for x
    x = 242,478,868.11/19,423.18
  6. Step 6: Final answer
    x = 12,483.99

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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.