Home / 10,601.79-14,618.51-8,681.61

Finding the Fourth Proportional to 10,601.79, 14,618.51 and 8,681.61

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Solution

The fourth proportional to 10,601.79, 14,618.51 and 8,681.61 is: 11,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,601.79 : 14,618.51 = 8,681.61 : x
  2. Step 2: Convert to fraction form
    10,601.79/14,618.51 = 8,681.61/x
  3. Step 3: Cross multiply
    10,601.79x = 14,618.51 × 8,681.61
  4. Step 4: Simplify right side
    10,601.79x = 126,912,246.57
  5. Step 5: Solve for x
    x = 126,912,246.57/10,601.79
  6. Step 6: Final answer
    x = 11,970.84

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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.