Home / 11,113.45-15,337.02-6,397.73

Finding the Fourth Proportional to 11,113.45, 15,337.02 and 6,397.73

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Solution

The fourth proportional to 11,113.45, 15,337.02 and 6,397.73 is: 8,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.45 : 15,337.02 = 6,397.73 : x
  2. Step 2: Convert to fraction form
    11,113.45/15,337.02 = 6,397.73/x
  3. Step 3: Cross multiply
    11,113.45x = 15,337.02 × 6,397.73
  4. Step 4: Simplify right side
    11,113.45x = 98,122,186.06
  5. Step 5: Solve for x
    x = 98,122,186.06/11,113.45
  6. Step 6: Final answer
    x = 8,829.14

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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.