Home / 18,920.34-28,337.38-9,066.62

Finding the Fourth Proportional to 18,920.34, 28,337.38 and 9,066.62

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Solution

The fourth proportional to 18,920.34, 28,337.38 and 9,066.62 is: 13,579.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920.34 : 28,337.38 = 9,066.62 : x
  2. Step 2: Convert to fraction form
    18,920.34/28,337.38 = 9,066.62/x
  3. Step 3: Cross multiply
    18,920.34x = 28,337.38 × 9,066.62
  4. Step 4: Simplify right side
    18,920.34x = 256,924,304.43
  5. Step 5: Solve for x
    x = 256,924,304.43/18,920.34
  6. Step 6: Final answer
    x = 13,579.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.