Home / 15,974.62-22,038.69-10,672.90

Finding the Fourth Proportional to 15,974.62, 22,038.69 and 10,672.90

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Solution

The fourth proportional to 15,974.62, 22,038.69 and 10,672.90 is: 14,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974.62 : 22,038.69 = 10,672.90 : x
  2. Step 2: Convert to fraction form
    15,974.62/22,038.69 = 10,672.90/x
  3. Step 3: Cross multiply
    15,974.62x = 22,038.69 × 10,672.90
  4. Step 4: Simplify right side
    15,974.62x = 235,216,734.50
  5. Step 5: Solve for x
    x = 235,216,734.50/15,974.62
  6. Step 6: Final answer
    x = 14,724.40

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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.