Home / 10,423.41-14,384.17-5,707.70

Finding the Fourth Proportional to 10,423.41, 14,384.17 and 5,707.70

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Solution

The fourth proportional to 10,423.41, 14,384.17 and 5,707.70 is: 7,876.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.41 : 14,384.17 = 5,707.70 : x
  2. Step 2: Convert to fraction form
    10,423.41/14,384.17 = 5,707.70/x
  3. Step 3: Cross multiply
    10,423.41x = 14,384.17 × 5,707.70
  4. Step 4: Simplify right side
    10,423.41x = 82,100,440.92
  5. Step 5: Solve for x
    x = 82,100,440.92/10,423.41
  6. Step 6: Final answer
    x = 7,876.54

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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.