Home / 20,094.18-30,127.98-8,985.58

Finding the Fourth Proportional to 20,094.18, 30,127.98 and 8,985.58

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Solution

The fourth proportional to 20,094.18, 30,127.98 and 8,985.58 is: 13,472.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094.18 : 30,127.98 = 8,985.58 : x
  2. Step 2: Convert to fraction form
    20,094.18/30,127.98 = 8,985.58/x
  3. Step 3: Cross multiply
    20,094.18x = 30,127.98 × 8,985.58
  4. Step 4: Simplify right side
    20,094.18x = 270,717,374.53
  5. Step 5: Solve for x
    x = 270,717,374.53/20,094.18
  6. Step 6: Final answer
    x = 13,472.43

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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.