Home / 10,695.42-14,759.77-5,915.11

Finding the Fourth Proportional to 10,695.42, 14,759.77 and 5,915.11

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Solution

The fourth proportional to 10,695.42, 14,759.77 and 5,915.11 is: 8,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,695.42 : 14,759.77 = 5,915.11 : x
  2. Step 2: Convert to fraction form
    10,695.42/14,759.77 = 5,915.11/x
  3. Step 3: Cross multiply
    10,695.42x = 14,759.77 × 5,915.11
  4. Step 4: Simplify right side
    10,695.42x = 87,305,663.12
  5. Step 5: Solve for x
    x = 87,305,663.12/10,695.42
  6. Step 6: Final answer
    x = 8,162.90

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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.