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Finding the Fourth Proportional to 10,602.24, 15,903.20 and 4,027.20

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Solution

The fourth proportional to 10,602.24, 15,903.20 and 4,027.20 is: 6,040.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,602.24 : 15,903.20 = 4,027.20 : x
  2. Step 2: Convert to fraction form
    10,602.24/15,903.20 = 4,027.20/x
  3. Step 3: Cross multiply
    10,602.24x = 15,903.20 × 4,027.20
  4. Step 4: Simplify right side
    10,602.24x = 64,045,367.04
  5. Step 5: Solve for x
    x = 64,045,367.04/10,602.24
  6. Step 6: Final answer
    x = 6,040.74

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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.