Home / 21,925.56-30,254.94-12,973.44

Finding the Fourth Proportional to 21,925.56, 30,254.94 and 12,973.44

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Solution

The fourth proportional to 21,925.56, 30,254.94 and 12,973.44 is: 17,901.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,925.56 : 30,254.94 = 12,973.44 : x
  2. Step 2: Convert to fraction form
    21,925.56/30,254.94 = 12,973.44/x
  3. Step 3: Cross multiply
    21,925.56x = 30,254.94 × 12,973.44
  4. Step 4: Simplify right side
    21,925.56x = 392,510,648.79
  5. Step 5: Solve for x
    x = 392,510,648.79/21,925.56
  6. Step 6: Final answer
    x = 17,901.97

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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.