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Finding the Fourth Proportional to 18,587.02, 27,870.07 and 6,103.65

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Solution

The fourth proportional to 18,587.02, 27,870.07 and 6,103.65 is: 9,152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.02 : 27,870.07 = 6,103.65 : x
  2. Step 2: Convert to fraction form
    18,587.02/27,870.07 = 6,103.65/x
  3. Step 3: Cross multiply
    18,587.02x = 27,870.07 × 6,103.65
  4. Step 4: Simplify right side
    18,587.02x = 170,109,152.76
  5. Step 5: Solve for x
    x = 170,109,152.76/18,587.02
  6. Step 6: Final answer
    x = 9,152.04

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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.