Home / 16,966.40-25,448.18-5,278.50

Finding the Fourth Proportional to 16,966.40, 25,448.18 and 5,278.50

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Solution

The fourth proportional to 16,966.40, 25,448.18 and 5,278.50 is: 7,917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.40 : 25,448.18 = 5,278.50 : x
  2. Step 2: Convert to fraction form
    16,966.40/25,448.18 = 5,278.50/x
  3. Step 3: Cross multiply
    16,966.40x = 25,448.18 × 5,278.50
  4. Step 4: Simplify right side
    16,966.40x = 134,328,191.74
  5. Step 5: Solve for x
    x = 134,328,191.74/16,966.40
  6. Step 6: Final answer
    x = 7,917.31

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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.