Home / 18,864.29-28,302.56-9,002.28

Finding the Fourth Proportional to 18,864.29, 28,302.56 and 9,002.28

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Solution

The fourth proportional to 18,864.29, 28,302.56 and 9,002.28 is: 13,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.29 : 28,302.56 = 9,002.28 : x
  2. Step 2: Convert to fraction form
    18,864.29/28,302.56 = 9,002.28/x
  3. Step 3: Cross multiply
    18,864.29x = 28,302.56 × 9,002.28
  4. Step 4: Simplify right side
    18,864.29x = 254,787,524.83
  5. Step 5: Solve for x
    x = 254,787,524.83/18,864.29
  6. Step 6: Final answer
    x = 13,506.34

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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.