Home / 18,599.13-25,668.90-10,642.50

Finding the Fourth Proportional to 18,599.13, 25,668.90 and 10,642.50

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Solution

The fourth proportional to 18,599.13, 25,668.90 and 10,642.50 is: 14,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.13 : 25,668.90 = 10,642.50 : x
  2. Step 2: Convert to fraction form
    18,599.13/25,668.90 = 10,642.50/x
  3. Step 3: Cross multiply
    18,599.13x = 25,668.90 × 10,642.50
  4. Step 4: Simplify right side
    18,599.13x = 273,181,268.25
  5. Step 5: Solve for x
    x = 273,181,268.25/18,599.13
  6. Step 6: Final answer
    x = 14,687.85

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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.