Home / 13,754.89-18,962.95-9,447.85

Finding the Fourth Proportional to 13,754.89, 18,962.95 and 9,447.85

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Solution

The fourth proportional to 13,754.89, 18,962.95 and 9,447.85 is: 13,025.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.89 : 18,962.95 = 9,447.85 : x
  2. Step 2: Convert to fraction form
    13,754.89/18,962.95 = 9,447.85/x
  3. Step 3: Cross multiply
    13,754.89x = 18,962.95 × 9,447.85
  4. Step 4: Simplify right side
    13,754.89x = 179,159,130.95
  5. Step 5: Solve for x
    x = 179,159,130.95/13,754.89
  6. Step 6: Final answer
    x = 13,025.12

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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.