Home / 17,868.20-26,809.58-14,390.87

Finding the Fourth Proportional to 17,868.20, 26,809.58 and 14,390.87

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Solution

The fourth proportional to 17,868.20, 26,809.58 and 14,390.87 is: 21,592.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,868.20 : 26,809.58 = 14,390.87 : x
  2. Step 2: Convert to fraction form
    17,868.20/26,809.58 = 14,390.87/x
  3. Step 3: Cross multiply
    17,868.20x = 26,809.58 × 14,390.87
  4. Step 4: Simplify right side
    17,868.20x = 385,813,082.46
  5. Step 5: Solve for x
    x = 385,813,082.46/17,868.20
  6. Step 6: Final answer
    x = 21,592.17

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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.