Home / 9,163.28-12,645.32-4,971.52

Finding the Fourth Proportional to 9,163.28, 12,645.32 and 4,971.52

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Solution

The fourth proportional to 9,163.28, 12,645.32 and 4,971.52 is: 6,860.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.28 : 12,645.32 = 4,971.52 : x
  2. Step 2: Convert to fraction form
    9,163.28/12,645.32 = 4,971.52/x
  3. Step 3: Cross multiply
    9,163.28x = 12,645.32 × 4,971.52
  4. Step 4: Simplify right side
    9,163.28x = 62,866,461.29
  5. Step 5: Solve for x
    x = 62,866,461.29/9,163.28
  6. Step 6: Final answer
    x = 6,860.69

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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.