Home / 18,746.04-25,872.36-10,787.72

Finding the Fourth Proportional to 18,746.04, 25,872.36 and 10,787.72

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Solution

The fourth proportional to 18,746.04, 25,872.36 and 10,787.72 is: 14,888.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.04 : 25,872.36 = 10,787.72 : x
  2. Step 2: Convert to fraction form
    18,746.04/25,872.36 = 10,787.72/x
  3. Step 3: Cross multiply
    18,746.04x = 25,872.36 × 10,787.72
  4. Step 4: Simplify right side
    18,746.04x = 279,103,775.42
  5. Step 5: Solve for x
    x = 279,103,775.42/18,746.04
  6. Step 6: Final answer
    x = 14,888.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.