Home / 9,403.31-12,976.50-5,154.35

Finding the Fourth Proportional to 9,403.31, 12,976.50 and 5,154.35

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Solution

The fourth proportional to 9,403.31, 12,976.50 and 5,154.35 is: 7,112.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.31 : 12,976.50 = 5,154.35 : x
  2. Step 2: Convert to fraction form
    9,403.31/12,976.50 = 5,154.35/x
  3. Step 3: Cross multiply
    9,403.31x = 12,976.50 × 5,154.35
  4. Step 4: Simplify right side
    9,403.31x = 66,885,422.78
  5. Step 5: Solve for x
    x = 66,885,422.78/9,403.31
  6. Step 6: Final answer
    x = 7,112.97

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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.