Home / 10,127.80-15,187.22-4,580.92

Finding the Fourth Proportional to 10,127.80, 15,187.22 and 4,580.92

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Solution

The fourth proportional to 10,127.80, 15,187.22 and 4,580.92 is: 6,869.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.80 : 15,187.22 = 4,580.92 : x
  2. Step 2: Convert to fraction form
    10,127.80/15,187.22 = 4,580.92/x
  3. Step 3: Cross multiply
    10,127.80x = 15,187.22 × 4,580.92
  4. Step 4: Simplify right side
    10,127.80x = 69,571,439.84
  5. Step 5: Solve for x
    x = 69,571,439.84/10,127.80
  6. Step 6: Final answer
    x = 6,869.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.