Home / 18,279.81-25,226.02-9,896.25

Finding the Fourth Proportional to 18,279.81, 25,226.02 and 9,896.25

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Solution

The fourth proportional to 18,279.81, 25,226.02 and 9,896.25 is: 13,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.81 : 25,226.02 = 9,896.25 : x
  2. Step 2: Convert to fraction form
    18,279.81/25,226.02 = 9,896.25/x
  3. Step 3: Cross multiply
    18,279.81x = 25,226.02 × 9,896.25
  4. Step 4: Simplify right side
    18,279.81x = 249,643,000.43
  5. Step 5: Solve for x
    x = 249,643,000.43/18,279.81
  6. Step 6: Final answer
    x = 13,656.76

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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.