Home / 14,517.80-21,754.86-10,802.60

Finding the Fourth Proportional to 14,517.80, 21,754.86 and 10,802.60

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Solution

The fourth proportional to 14,517.80, 21,754.86 and 10,802.60 is: 16,187.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517.80 : 21,754.86 = 10,802.60 : x
  2. Step 2: Convert to fraction form
    14,517.80/21,754.86 = 10,802.60/x
  3. Step 3: Cross multiply
    14,517.80x = 21,754.86 × 10,802.60
  4. Step 4: Simplify right side
    14,517.80x = 235,009,050.64
  5. Step 5: Solve for x
    x = 235,009,050.64/14,517.80
  6. Step 6: Final answer
    x = 16,187.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.