Home / 25,497.38-38,218.73-12,320.70

Finding the Fourth Proportional to 25,497.38, 38,218.73 and 12,320.70

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Solution

The fourth proportional to 25,497.38, 38,218.73 and 12,320.70 is: 18,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,497.38 : 38,218.73 = 12,320.70 : x
  2. Step 2: Convert to fraction form
    25,497.38/38,218.73 = 12,320.70/x
  3. Step 3: Cross multiply
    25,497.38x = 38,218.73 × 12,320.70
  4. Step 4: Simplify right side
    25,497.38x = 470,881,445.11
  5. Step 5: Solve for x
    x = 470,881,445.11/25,497.38
  6. Step 6: Final answer
    x = 18,467.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.