Home / 19,077.09-26,335.04-12,280.92

Finding the Fourth Proportional to 19,077.09, 26,335.04 and 12,280.92

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Solution

The fourth proportional to 19,077.09, 26,335.04 and 12,280.92 is: 16,953.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077.09 : 26,335.04 = 12,280.92 : x
  2. Step 2: Convert to fraction form
    19,077.09/26,335.04 = 12,280.92/x
  3. Step 3: Cross multiply
    19,077.09x = 26,335.04 × 12,280.92
  4. Step 4: Simplify right side
    19,077.09x = 323,418,458.03
  5. Step 5: Solve for x
    x = 323,418,458.03/19,077.09
  6. Step 6: Final answer
    x = 16,953.24

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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.