Home / 13,223.04-18,253.65-8,449.26

Finding the Fourth Proportional to 13,223.04, 18,253.65 and 8,449.26

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Solution

The fourth proportional to 13,223.04, 18,253.65 and 8,449.26 is: 11,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.04 : 18,253.65 = 8,449.26 : x
  2. Step 2: Convert to fraction form
    13,223.04/18,253.65 = 8,449.26/x
  3. Step 3: Cross multiply
    13,223.04x = 18,253.65 × 8,449.26
  4. Step 4: Simplify right side
    13,223.04x = 154,229,834.80
  5. Step 5: Solve for x
    x = 154,229,834.80/13,223.04
  6. Step 6: Final answer
    x = 11,663.72

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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.