Home / 12,471.60-18,703.35-4,150.20

Finding the Fourth Proportional to 12,471.60, 18,703.35 and 4,150.20

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Solution

The fourth proportional to 12,471.60, 18,703.35 and 4,150.20 is: 6,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471.60 : 18,703.35 = 4,150.20 : x
  2. Step 2: Convert to fraction form
    12,471.60/18,703.35 = 4,150.20/x
  3. Step 3: Cross multiply
    12,471.60x = 18,703.35 × 4,150.20
  4. Step 4: Simplify right side
    12,471.60x = 77,622,643.17
  5. Step 5: Solve for x
    x = 77,622,643.17/12,471.60
  6. Step 6: Final answer
    x = 6,223.95

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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.