Home / 18,173.30-25,079.28-10,619.95

Finding the Fourth Proportional to 18,173.30, 25,079.28 and 10,619.95

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Solution

The fourth proportional to 18,173.30, 25,079.28 and 10,619.95 is: 14,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173.30 : 25,079.28 = 10,619.95 : x
  2. Step 2: Convert to fraction form
    18,173.30/25,079.28 = 10,619.95/x
  3. Step 3: Cross multiply
    18,173.30x = 25,079.28 × 10,619.95
  4. Step 4: Simplify right side
    18,173.30x = 266,340,699.64
  5. Step 5: Solve for x
    x = 266,340,699.64/18,173.30
  6. Step 6: Final answer
    x = 14,655.60

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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.