Home / 10,124.28-15,188.44-4,280.88

Finding the Fourth Proportional to 10,124.28, 15,188.44 and 4,280.88

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Solution

The fourth proportional to 10,124.28, 15,188.44 and 4,280.88 is: 6,422.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.28 : 15,188.44 = 4,280.88 : x
  2. Step 2: Convert to fraction form
    10,124.28/15,188.44 = 4,280.88/x
  3. Step 3: Cross multiply
    10,124.28x = 15,188.44 × 4,280.88
  4. Step 4: Simplify right side
    10,124.28x = 65,019,889.03
  5. Step 5: Solve for x
    x = 65,019,889.03/10,124.28
  6. Step 6: Final answer
    x = 6,422.17

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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.