Home / 10,148.90-14,019.66-9,616.88

Finding the Fourth Proportional to 10,148.90, 14,019.66 and 9,616.88

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Solution

The fourth proportional to 10,148.90, 14,019.66 and 9,616.88 is: 13,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.90 : 14,019.66 = 9,616.88 : x
  2. Step 2: Convert to fraction form
    10,148.90/14,019.66 = 9,616.88/x
  3. Step 3: Cross multiply
    10,148.90x = 14,019.66 × 9,616.88
  4. Step 4: Simplify right side
    10,148.90x = 134,825,317.00
  5. Step 5: Solve for x
    x = 134,825,317.00/10,148.90
  6. Step 6: Final answer
    x = 13,284.73

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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.