Home / 18,872.48-26,051.28-12,582.56

Finding the Fourth Proportional to 18,872.48, 26,051.28 and 12,582.56

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Solution

The fourth proportional to 18,872.48, 26,051.28 and 12,582.56 is: 17,368.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872.48 : 26,051.28 = 12,582.56 : x
  2. Step 2: Convert to fraction form
    18,872.48/26,051.28 = 12,582.56/x
  3. Step 3: Cross multiply
    18,872.48x = 26,051.28 × 12,582.56
  4. Step 4: Simplify right side
    18,872.48x = 327,791,793.68
  5. Step 5: Solve for x
    x = 327,791,793.68/18,872.48
  6. Step 6: Final answer
    x = 17,368.77

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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.