Home / 13,098.30-18,075.11-7,432.93

Finding the Fourth Proportional to 13,098.30, 18,075.11 and 7,432.93

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Solution

The fourth proportional to 13,098.30, 18,075.11 and 7,432.93 is: 10,257.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098.30 : 18,075.11 = 7,432.93 : x
  2. Step 2: Convert to fraction form
    13,098.30/18,075.11 = 7,432.93/x
  3. Step 3: Cross multiply
    13,098.30x = 18,075.11 × 7,432.93
  4. Step 4: Simplify right side
    13,098.30x = 134,350,963.60
  5. Step 5: Solve for x
    x = 134,350,963.60/13,098.30
  6. Step 6: Final answer
    x = 10,257.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.