Home / 22,376.60-30,877.30-12,943.32

Finding the Fourth Proportional to 22,376.60, 30,877.30 and 12,943.32

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Solution

The fourth proportional to 22,376.60, 30,877.30 and 12,943.32 is: 17,860.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,376.60 : 30,877.30 = 12,943.32 : x
  2. Step 2: Convert to fraction form
    22,376.60/30,877.30 = 12,943.32/x
  3. Step 3: Cross multiply
    22,376.60x = 30,877.30 × 12,943.32
  4. Step 4: Simplify right side
    22,376.60x = 399,654,774.64
  5. Step 5: Solve for x
    x = 399,654,774.64/22,376.60
  6. Step 6: Final answer
    x = 17,860.39

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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.