Home / 12,560.74-18,856.47-5,903.62

Finding the Fourth Proportional to 12,560.74, 18,856.47 and 5,903.62

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Solution

The fourth proportional to 12,560.74, 18,856.47 and 5,903.62 is: 8,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.74 : 18,856.47 = 5,903.62 : x
  2. Step 2: Convert to fraction form
    12,560.74/18,856.47 = 5,903.62/x
  3. Step 3: Cross multiply
    12,560.74x = 18,856.47 × 5,903.62
  4. Step 4: Simplify right side
    12,560.74x = 111,321,433.42
  5. Step 5: Solve for x
    x = 111,321,433.42/12,560.74
  6. Step 6: Final answer
    x = 8,862.65

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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.