Home / 10,386.77-14,335.11-5,909.66

Finding the Fourth Proportional to 10,386.77, 14,335.11 and 5,909.66

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Solution

The fourth proportional to 10,386.77, 14,335.11 and 5,909.66 is: 8,156.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.77 : 14,335.11 = 5,909.66 : x
  2. Step 2: Convert to fraction form
    10,386.77/14,335.11 = 5,909.66/x
  3. Step 3: Cross multiply
    10,386.77x = 14,335.11 × 5,909.66
  4. Step 4: Simplify right side
    10,386.77x = 84,715,554.49
  5. Step 5: Solve for x
    x = 84,715,554.49/10,386.77
  6. Step 6: Final answer
    x = 8,156.11

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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.