Home / 11,160.80-15,402.07-6,124.93

Finding the Fourth Proportional to 11,160.80, 15,402.07 and 6,124.93

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Solution

The fourth proportional to 11,160.80, 15,402.07 and 6,124.93 is: 8,452.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.80 : 15,402.07 = 6,124.93 : x
  2. Step 2: Convert to fraction form
    11,160.80/15,402.07 = 6,124.93/x
  3. Step 3: Cross multiply
    11,160.80x = 15,402.07 × 6,124.93
  4. Step 4: Simplify right side
    11,160.80x = 94,336,600.61
  5. Step 5: Solve for x
    x = 94,336,600.61/11,160.80
  6. Step 6: Final answer
    x = 8,452.49

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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.