Home / 9,328.18-12,869.99-5,294.34

Finding the Fourth Proportional to 9,328.18, 12,869.99 and 5,294.34

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Solution

The fourth proportional to 9,328.18, 12,869.99 and 5,294.34 is: 7,304.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.18 : 12,869.99 = 5,294.34 : x
  2. Step 2: Convert to fraction form
    9,328.18/12,869.99 = 5,294.34/x
  3. Step 3: Cross multiply
    9,328.18x = 12,869.99 × 5,294.34
  4. Step 4: Simplify right side
    9,328.18x = 68,138,102.86
  5. Step 5: Solve for x
    x = 68,138,102.86/9,328.18
  6. Step 6: Final answer
    x = 7,304.54

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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.