Home / 9,612.48-13,246.56-6,422.16

Finding the Fourth Proportional to 9,612.48, 13,246.56 and 6,422.16

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Solution

The fourth proportional to 9,612.48, 13,246.56 and 6,422.16 is: 8,850.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.48 : 13,246.56 = 6,422.16 : x
  2. Step 2: Convert to fraction form
    9,612.48/13,246.56 = 6,422.16/x
  3. Step 3: Cross multiply
    9,612.48x = 13,246.56 × 6,422.16
  4. Step 4: Simplify right side
    9,612.48x = 85,071,527.77
  5. Step 5: Solve for x
    x = 85,071,527.77/9,612.48
  6. Step 6: Final answer
    x = 8,850.11

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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.