Home / 22,374.36-30,878.55-12,304.76

Finding the Fourth Proportional to 22,374.36, 30,878.55 and 12,304.76

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Solution

The fourth proportional to 22,374.36, 30,878.55 and 12,304.76 is: 16,981.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,374.36 : 30,878.55 = 12,304.76 : x
  2. Step 2: Convert to fraction form
    22,374.36/30,878.55 = 12,304.76/x
  3. Step 3: Cross multiply
    22,374.36x = 30,878.55 × 12,304.76
  4. Step 4: Simplify right side
    22,374.36x = 379,952,992.51
  5. Step 5: Solve for x
    x = 379,952,992.51/22,374.36
  6. Step 6: Final answer
    x = 16,981.63

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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.