Home / 20,094.26-27,730.02-12,134.92

Finding the Fourth Proportional to 20,094.26, 27,730.02 and 12,134.92

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Solution

The fourth proportional to 20,094.26, 27,730.02 and 12,134.92 is: 16,746.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094.26 : 27,730.02 = 12,134.92 : x
  2. Step 2: Convert to fraction form
    20,094.26/27,730.02 = 12,134.92/x
  3. Step 3: Cross multiply
    20,094.26x = 27,730.02 × 12,134.92
  4. Step 4: Simplify right side
    20,094.26x = 336,501,574.30
  5. Step 5: Solve for x
    x = 336,501,574.30/20,094.26
  6. Step 6: Final answer
    x = 16,746.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.