Home / 12,460.02-18,659.67-8,240.70

Finding the Fourth Proportional to 12,460.02, 18,659.67 and 8,240.70

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Solution

The fourth proportional to 12,460.02, 18,659.67 and 8,240.70 is: 12,340.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.02 : 18,659.67 = 8,240.70 : x
  2. Step 2: Convert to fraction form
    12,460.02/18,659.67 = 8,240.70/x
  3. Step 3: Cross multiply
    12,460.02x = 18,659.67 × 8,240.70
  4. Step 4: Simplify right side
    12,460.02x = 153,768,711.67
  5. Step 5: Solve for x
    x = 153,768,711.67/12,460.02
  6. Step 6: Final answer
    x = 12,340.97

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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.