Home / 10,118.16-13,969.95-6,342.90

Finding the Fourth Proportional to 10,118.16, 13,969.95 and 6,342.90

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Solution

The fourth proportional to 10,118.16, 13,969.95 and 6,342.90 is: 8,757.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.16 : 13,969.95 = 6,342.90 : x
  2. Step 2: Convert to fraction form
    10,118.16/13,969.95 = 6,342.90/x
  3. Step 3: Cross multiply
    10,118.16x = 13,969.95 × 6,342.90
  4. Step 4: Simplify right side
    10,118.16x = 88,609,995.86
  5. Step 5: Solve for x
    x = 88,609,995.86/10,118.16
  6. Step 6: Final answer
    x = 8,757.52

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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.