Home / 18,780.08-28,161.04-7,094.24

Finding the Fourth Proportional to 18,780.08, 28,161.04 and 7,094.24

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Solution

The fourth proportional to 18,780.08, 28,161.04 and 7,094.24 is: 10,637.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,780.08 : 28,161.04 = 7,094.24 : x
  2. Step 2: Convert to fraction form
    18,780.08/28,161.04 = 7,094.24/x
  3. Step 3: Cross multiply
    18,780.08x = 28,161.04 × 7,094.24
  4. Step 4: Simplify right side
    18,780.08x = 199,781,176.41
  5. Step 5: Solve for x
    x = 199,781,176.41/18,780.08
  6. Step 6: Final answer
    x = 10,637.93

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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.