Home / 22,142.08-30,555.35-12,070.36

Finding the Fourth Proportional to 22,142.08, 30,555.35 and 12,070.36

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Solution

The fourth proportional to 22,142.08, 30,555.35 and 12,070.36 is: 16,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,142.08 : 30,555.35 = 12,070.36 : x
  2. Step 2: Convert to fraction form
    22,142.08/30,555.35 = 12,070.36/x
  3. Step 3: Cross multiply
    22,142.08x = 30,555.35 × 12,070.36
  4. Step 4: Simplify right side
    22,142.08x = 368,813,921.65
  5. Step 5: Solve for x
    x = 368,813,921.65/22,142.08
  6. Step 6: Final answer
    x = 16,656.70

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Double scale
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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.