Home / 9,292.28-13,938.52-7,440.98

Finding the Fourth Proportional to 9,292.28, 13,938.52 and 7,440.98

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Solution

The fourth proportional to 9,292.28, 13,938.52 and 7,440.98 is: 11,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,292.28 : 13,938.52 = 7,440.98 : x
  2. Step 2: Convert to fraction form
    9,292.28/13,938.52 = 7,440.98/x
  3. Step 3: Cross multiply
    9,292.28x = 13,938.52 × 7,440.98
  4. Step 4: Simplify right side
    9,292.28x = 103,716,248.55
  5. Step 5: Solve for x
    x = 103,716,248.55/9,292.28
  6. Step 6: Final answer
    x = 11,161.55

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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.