Home / 16,868.31-25,302.81-5,787.74

Finding the Fourth Proportional to 16,868.31, 25,302.81 and 5,787.74

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Solution

The fourth proportional to 16,868.31, 25,302.81 and 5,787.74 is: 8,681.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.31 : 25,302.81 = 5,787.74 : x
  2. Step 2: Convert to fraction form
    16,868.31/25,302.81 = 5,787.74/x
  3. Step 3: Cross multiply
    16,868.31x = 25,302.81 × 5,787.74
  4. Step 4: Simplify right side
    16,868.31x = 146,445,959.04
  5. Step 5: Solve for x
    x = 146,445,959.04/16,868.31
  6. Step 6: Final answer
    x = 8,681.72

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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.