Home / 15,674.34-21,630.75-8,601.03

Finding the Fourth Proportional to 15,674.34, 21,630.75 and 8,601.03

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Solution

The fourth proportional to 15,674.34, 21,630.75 and 8,601.03 is: 11,869.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,674.34 : 21,630.75 = 8,601.03 : x
  2. Step 2: Convert to fraction form
    15,674.34/21,630.75 = 8,601.03/x
  3. Step 3: Cross multiply
    15,674.34x = 21,630.75 × 8,601.03
  4. Step 4: Simplify right side
    15,674.34x = 186,046,729.67
  5. Step 5: Solve for x
    x = 186,046,729.67/15,674.34
  6. Step 6: Final answer
    x = 11,869.51

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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.