Home / 16,868.60-25,318.38-8,554.40

Finding the Fourth Proportional to 16,868.60, 25,318.38 and 8,554.40

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Solution

The fourth proportional to 16,868.60, 25,318.38 and 8,554.40 is: 12,839.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.60 : 25,318.38 = 8,554.40 : x
  2. Step 2: Convert to fraction form
    16,868.60/25,318.38 = 8,554.40/x
  3. Step 3: Cross multiply
    16,868.60x = 25,318.38 × 8,554.40
  4. Step 4: Simplify right side
    16,868.60x = 216,583,549.87
  5. Step 5: Solve for x
    x = 216,583,549.87/16,868.60
  6. Step 6: Final answer
    x = 12,839.45

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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.