Home / 9,432.90-13,018.86-6,789.06

Finding the Fourth Proportional to 9,432.90, 13,018.86 and 6,789.06

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Solution

The fourth proportional to 9,432.90, 13,018.86 and 6,789.06 is: 9,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432.90 : 13,018.86 = 6,789.06 : x
  2. Step 2: Convert to fraction form
    9,432.90/13,018.86 = 6,789.06/x
  3. Step 3: Cross multiply
    9,432.90x = 13,018.86 × 6,789.06
  4. Step 4: Simplify right side
    9,432.90x = 88,385,821.67
  5. Step 5: Solve for x
    x = 88,385,821.67/9,432.90
  6. Step 6: Final answer
    x = 9,369.95

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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.