Home / 10,815.20-14,925.85-6,100.46

Finding the Fourth Proportional to 10,815.20, 14,925.85 and 6,100.46

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Solution

The fourth proportional to 10,815.20, 14,925.85 and 6,100.46 is: 8,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.20 : 14,925.85 = 6,100.46 : x
  2. Step 2: Convert to fraction form
    10,815.20/14,925.85 = 6,100.46/x
  3. Step 3: Cross multiply
    10,815.20x = 14,925.85 × 6,100.46
  4. Step 4: Simplify right side
    10,815.20x = 91,054,461.01
  5. Step 5: Solve for x
    x = 91,054,461.01/10,815.20
  6. Step 6: Final answer
    x = 8,419.12

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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.