Home / 18,281.26-25,228.25-9,897.76

Finding the Fourth Proportional to 18,281.26, 25,228.25 and 9,897.76

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Solution

The fourth proportional to 18,281.26, 25,228.25 and 9,897.76 is: 13,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.26 : 25,228.25 = 9,897.76 : x
  2. Step 2: Convert to fraction form
    18,281.26/25,228.25 = 9,897.76/x
  3. Step 3: Cross multiply
    18,281.26x = 25,228.25 × 9,897.76
  4. Step 4: Simplify right side
    18,281.26x = 249,703,163.72
  5. Step 5: Solve for x
    x = 249,703,163.72/18,281.26
  6. Step 6: Final answer
    x = 13,658.97

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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.