Home / 10,815.88-14,925.92-6,100.17

Finding the Fourth Proportional to 10,815.88, 14,925.92 and 6,100.17

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Solution

The fourth proportional to 10,815.88, 14,925.92 and 6,100.17 is: 8,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.88 : 14,925.92 = 6,100.17 : x
  2. Step 2: Convert to fraction form
    10,815.88/14,925.92 = 6,100.17/x
  3. Step 3: Cross multiply
    10,815.88x = 14,925.92 × 6,100.17
  4. Step 4: Simplify right side
    10,815.88x = 91,050,649.41
  5. Step 5: Solve for x
    x = 91,050,649.41/10,815.88
  6. Step 6: Final answer
    x = 8,418.24

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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.