Home / 16,728.32-23,084.80-10,014.72

Finding the Fourth Proportional to 16,728.32, 23,084.80 and 10,014.72

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Solution

The fourth proportional to 16,728.32, 23,084.80 and 10,014.72 is: 13,820.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.32 : 23,084.80 = 10,014.72 : x
  2. Step 2: Convert to fraction form
    16,728.32/23,084.80 = 10,014.72/x
  3. Step 3: Cross multiply
    16,728.32x = 23,084.80 × 10,014.72
  4. Step 4: Simplify right side
    16,728.32x = 231,187,808.26
  5. Step 5: Solve for x
    x = 231,187,808.26/16,728.32
  6. Step 6: Final answer
    x = 13,820.15

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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.