Home / 10,218.48-14,102.89-6,240.57

Finding the Fourth Proportional to 10,218.48, 14,102.89 and 6,240.57

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Solution

The fourth proportional to 10,218.48, 14,102.89 and 6,240.57 is: 8,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.48 : 14,102.89 = 6,240.57 : x
  2. Step 2: Convert to fraction form
    10,218.48/14,102.89 = 6,240.57/x
  3. Step 3: Cross multiply
    10,218.48x = 14,102.89 × 6,240.57
  4. Step 4: Simplify right side
    10,218.48x = 88,010,056.65
  5. Step 5: Solve for x
    x = 88,010,056.65/10,218.48
  6. Step 6: Final answer
    x = 8,612.83

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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.