Home / 9,195.48-12,689.54-5,003.80

Finding the Fourth Proportional to 9,195.48, 12,689.54 and 5,003.80

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Solution

The fourth proportional to 9,195.48, 12,689.54 and 5,003.80 is: 6,905.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195.48 : 12,689.54 = 5,003.80 : x
  2. Step 2: Convert to fraction form
    9,195.48/12,689.54 = 5,003.80/x
  3. Step 3: Cross multiply
    9,195.48x = 12,689.54 × 5,003.80
  4. Step 4: Simplify right side
    9,195.48x = 63,495,920.25
  5. Step 5: Solve for x
    x = 63,495,920.25/9,195.48
  6. Step 6: Final answer
    x = 6,905.12

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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.