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Finding the Fourth Proportional to 10,074.48, 13,899.59 and 6,040.48

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Solution

The fourth proportional to 10,074.48, 13,899.59 and 6,040.48 is: 8,333.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074.48 : 13,899.59 = 6,040.48 : x
  2. Step 2: Convert to fraction form
    10,074.48/13,899.59 = 6,040.48/x
  3. Step 3: Cross multiply
    10,074.48x = 13,899.59 × 6,040.48
  4. Step 4: Simplify right side
    10,074.48x = 83,960,125.91
  5. Step 5: Solve for x
    x = 83,960,125.91/10,074.48
  6. Step 6: Final answer
    x = 8,333.95

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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.