Home / 13,764.12-18,976.40-9,932.53

Finding the Fourth Proportional to 13,764.12, 18,976.40 and 9,932.53

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Solution

The fourth proportional to 13,764.12, 18,976.40 and 9,932.53 is: 13,693.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.12 : 18,976.40 = 9,932.53 : x
  2. Step 2: Convert to fraction form
    13,764.12/18,976.40 = 9,932.53/x
  3. Step 3: Cross multiply
    13,764.12x = 18,976.40 × 9,932.53
  4. Step 4: Simplify right side
    13,764.12x = 188,483,612.63
  5. Step 5: Solve for x
    x = 188,483,612.63/13,764.12
  6. Step 6: Final answer
    x = 13,693.84

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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.