Home / 10,426.46-14,387.20-8,307.36

Finding the Fourth Proportional to 10,426.46, 14,387.20 and 8,307.36

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Solution

The fourth proportional to 10,426.46, 14,387.20 and 8,307.36 is: 11,463.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.46 : 14,387.20 = 8,307.36 : x
  2. Step 2: Convert to fraction form
    10,426.46/14,387.20 = 8,307.36/x
  3. Step 3: Cross multiply
    10,426.46x = 14,387.20 × 8,307.36
  4. Step 4: Simplify right side
    10,426.46x = 119,519,649.79
  5. Step 5: Solve for x
    x = 119,519,649.79/10,426.46
  6. Step 6: Final answer
    x = 11,463.11

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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.