Home / 19,407.30-29,110.94-8,306.79

Finding the Fourth Proportional to 19,407.30, 29,110.94 and 8,306.79

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Solution

The fourth proportional to 19,407.30, 29,110.94 and 8,306.79 is: 12,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407.30 : 29,110.94 = 8,306.79 : x
  2. Step 2: Convert to fraction form
    19,407.30/29,110.94 = 8,306.79/x
  3. Step 3: Cross multiply
    19,407.30x = 29,110.94 × 8,306.79
  4. Step 4: Simplify right side
    19,407.30x = 241,818,465.28
  5. Step 5: Solve for x
    x = 241,818,465.28/19,407.30
  6. Step 6: Final answer
    x = 12,460.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.