Home / 10,148.75-14,005.28-6,169.12

Finding the Fourth Proportional to 10,148.75, 14,005.28 and 6,169.12

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Solution

The fourth proportional to 10,148.75, 14,005.28 and 6,169.12 is: 8,513.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.75 : 14,005.28 = 6,169.12 : x
  2. Step 2: Convert to fraction form
    10,148.75/14,005.28 = 6,169.12/x
  3. Step 3: Cross multiply
    10,148.75x = 14,005.28 × 6,169.12
  4. Step 4: Simplify right side
    10,148.75x = 86,400,252.95
  5. Step 5: Solve for x
    x = 86,400,252.95/10,148.75
  6. Step 6: Final answer
    x = 8,513.39

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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.