Home / 12,151.74-18,232.90-4,259.93

Finding the Fourth Proportional to 12,151.74, 18,232.90 and 4,259.93

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Solution

The fourth proportional to 12,151.74, 18,232.90 and 4,259.93 is: 6,391.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151.74 : 18,232.90 = 4,259.93 : x
  2. Step 2: Convert to fraction form
    12,151.74/18,232.90 = 4,259.93/x
  3. Step 3: Cross multiply
    12,151.74x = 18,232.90 × 4,259.93
  4. Step 4: Simplify right side
    12,151.74x = 77,670,877.70
  5. Step 5: Solve for x
    x = 77,670,877.70/12,151.74
  6. Step 6: Final answer
    x = 6,391.75

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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.