Home / 13,725.55-18,941.25-7,437.93

Finding the Fourth Proportional to 13,725.55, 18,941.25 and 7,437.93

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Solution

The fourth proportional to 13,725.55, 18,941.25 and 7,437.93 is: 10,264.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.55 : 18,941.25 = 7,437.93 : x
  2. Step 2: Convert to fraction form
    13,725.55/18,941.25 = 7,437.93/x
  3. Step 3: Cross multiply
    13,725.55x = 18,941.25 × 7,437.93
  4. Step 4: Simplify right side
    13,725.55x = 140,883,691.61
  5. Step 5: Solve for x
    x = 140,883,691.61/13,725.55
  6. Step 6: Final answer
    x = 10,264.34

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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.