Home / 15,674.40-21,625.92-11,708.64

Finding the Fourth Proportional to 15,674.40, 21,625.92 and 11,708.64

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Solution

The fourth proportional to 15,674.40, 21,625.92 and 11,708.64 is: 16,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,674.40 : 21,625.92 = 11,708.64 : x
  2. Step 2: Convert to fraction form
    15,674.40/21,625.92 = 11,708.64/x
  3. Step 3: Cross multiply
    15,674.40x = 21,625.92 × 11,708.64
  4. Step 4: Simplify right side
    15,674.40x = 253,210,111.95
  5. Step 5: Solve for x
    x = 253,210,111.95/15,674.40
  6. Step 6: Final answer
    x = 16,154.37

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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.