Home / 22,279.86-30,746.18-12,208.93

Finding the Fourth Proportional to 22,279.86, 30,746.18 and 12,208.93

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Solution

The fourth proportional to 22,279.86, 30,746.18 and 12,208.93 is: 16,848.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,279.86 : 30,746.18 = 12,208.93 : x
  2. Step 2: Convert to fraction form
    22,279.86/30,746.18 = 12,208.93/x
  3. Step 3: Cross multiply
    22,279.86x = 30,746.18 × 12,208.93
  4. Step 4: Simplify right side
    22,279.86x = 375,377,913.04
  5. Step 5: Solve for x
    x = 375,377,913.04/22,279.86
  6. Step 6: Final answer
    x = 16,848.31

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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.