Home / 14,229.60-19,637.10-7,856.94

Finding the Fourth Proportional to 14,229.60, 19,637.10 and 7,856.94

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Solution

The fourth proportional to 14,229.60, 19,637.10 and 7,856.94 is: 10,842.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.60 : 19,637.10 = 7,856.94 : x
  2. Step 2: Convert to fraction form
    14,229.60/19,637.10 = 7,856.94/x
  3. Step 3: Cross multiply
    14,229.60x = 19,637.10 × 7,856.94
  4. Step 4: Simplify right side
    14,229.60x = 154,287,516.47
  5. Step 5: Solve for x
    x = 154,287,516.47/14,229.60
  6. Step 6: Final answer
    x = 10,842.72

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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.