Home / 18,864.54-28,302.93-9,002.53

Finding the Fourth Proportional to 18,864.54, 28,302.93 and 9,002.53

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Solution

The fourth proportional to 18,864.54, 28,302.93 and 9,002.53 is: 13,506.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.54 : 28,302.93 = 9,002.53 : x
  2. Step 2: Convert to fraction form
    18,864.54/28,302.93 = 9,002.53/x
  3. Step 3: Cross multiply
    18,864.54x = 28,302.93 × 9,002.53
  4. Step 4: Simplify right side
    18,864.54x = 254,797,976.41
  5. Step 5: Solve for x
    x = 254,797,976.41/18,864.54
  6. Step 6: Final answer
    x = 13,506.72

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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.