Home / 14,243.20-19,655.04-8,275.04

Finding the Fourth Proportional to 14,243.20, 19,655.04 and 8,275.04

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Solution

The fourth proportional to 14,243.20, 19,655.04 and 8,275.04 is: 11,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.20 : 19,655.04 = 8,275.04 : x
  2. Step 2: Convert to fraction form
    14,243.20/19,655.04 = 8,275.04/x
  3. Step 3: Cross multiply
    14,243.20x = 19,655.04 × 8,275.04
  4. Step 4: Simplify right side
    14,243.20x = 162,646,242.20
  5. Step 5: Solve for x
    x = 162,646,242.20/14,243.20
  6. Step 6: Final answer
    x = 11,419.22

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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.