Home / 14,229.61-19,637.84-8,261.93

Finding the Fourth Proportional to 14,229.61, 19,637.84 and 8,261.93

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Solution

The fourth proportional to 14,229.61, 19,637.84 and 8,261.93 is: 11,402.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.61 : 19,637.84 = 8,261.93 : x
  2. Step 2: Convert to fraction form
    14,229.61/19,637.84 = 8,261.93/x
  3. Step 3: Cross multiply
    14,229.61x = 19,637.84 × 8,261.93
  4. Step 4: Simplify right side
    14,229.61x = 162,246,529.18
  5. Step 5: Solve for x
    x = 162,246,529.18/14,229.61
  6. Step 6: Final answer
    x = 11,402.04

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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.