Home / 9,426.18-13,036.32-8,245.20

Finding the Fourth Proportional to 9,426.18, 13,036.32 and 8,245.20

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Solution

The fourth proportional to 9,426.18, 13,036.32 and 8,245.20 is: 11,403.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,426.18 : 13,036.32 = 8,245.20 : x
  2. Step 2: Convert to fraction form
    9,426.18/13,036.32 = 8,245.20/x
  3. Step 3: Cross multiply
    9,426.18x = 13,036.32 × 8,245.20
  4. Step 4: Simplify right side
    9,426.18x = 107,487,065.66
  5. Step 5: Solve for x
    x = 107,487,065.66/9,426.18
  6. Step 6: Final answer
    x = 11,403.04

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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.