Home / 10,032.18-15,062.88-7,407.78

Finding the Fourth Proportional to 10,032.18, 15,062.88 and 7,407.78

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Solution

The fourth proportional to 10,032.18, 15,062.88 and 7,407.78 is: 11,122.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,032.18 : 15,062.88 = 7,407.78 : x
  2. Step 2: Convert to fraction form
    10,032.18/15,062.88 = 7,407.78/x
  3. Step 3: Cross multiply
    10,032.18x = 15,062.88 × 7,407.78
  4. Step 4: Simplify right side
    10,032.18x = 111,582,501.21
  5. Step 5: Solve for x
    x = 111,582,501.21/10,032.18
  6. Step 6: Final answer
    x = 11,122.46

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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.