Home / 10,423.60-14,384.48-5,707.92

Finding the Fourth Proportional to 10,423.60, 14,384.48 and 5,707.92

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Solution

The fourth proportional to 10,423.60, 14,384.48 and 5,707.92 is: 7,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.60 : 14,384.48 = 5,707.92 : x
  2. Step 2: Convert to fraction form
    10,423.60/14,384.48 = 5,707.92/x
  3. Step 3: Cross multiply
    10,423.60x = 14,384.48 × 5,707.92
  4. Step 4: Simplify right side
    10,423.60x = 82,105,461.08
  5. Step 5: Solve for x
    x = 82,105,461.08/10,423.60
  6. Step 6: Final answer
    x = 7,876.88

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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.