Home / 13,655.04-18,843.48-8,350.08

Finding the Fourth Proportional to 13,655.04, 18,843.48 and 8,350.08

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Solution

The fourth proportional to 13,655.04, 18,843.48 and 8,350.08 is: 11,522.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.04 : 18,843.48 = 8,350.08 : x
  2. Step 2: Convert to fraction form
    13,655.04/18,843.48 = 8,350.08/x
  3. Step 3: Cross multiply
    13,655.04x = 18,843.48 × 8,350.08
  4. Step 4: Simplify right side
    13,655.04x = 157,344,565.48
  5. Step 5: Solve for x
    x = 157,344,565.48/13,655.04
  6. Step 6: Final answer
    x = 11,522.82

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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.