Home / 10,381.02-14,326.08-6,404.76

Finding the Fourth Proportional to 10,381.02, 14,326.08 and 6,404.76

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Solution

The fourth proportional to 10,381.02, 14,326.08 and 6,404.76 is: 8,838.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.02 : 14,326.08 = 6,404.76 : x
  2. Step 2: Convert to fraction form
    10,381.02/14,326.08 = 6,404.76/x
  3. Step 3: Cross multiply
    10,381.02x = 14,326.08 × 6,404.76
  4. Step 4: Simplify right side
    10,381.02x = 91,755,104.14
  5. Step 5: Solve for x
    x = 91,755,104.14/10,381.02
  6. Step 6: Final answer
    x = 8,838.74

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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.