Home / 18,675.96-25,764.66-13,368.84

Finding the Fourth Proportional to 18,675.96, 25,764.66 and 13,368.84

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Solution

The fourth proportional to 18,675.96, 25,764.66 and 13,368.84 is: 18,443.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,675.96 : 25,764.66 = 13,368.84 : x
  2. Step 2: Convert to fraction form
    18,675.96/25,764.66 = 13,368.84/x
  3. Step 3: Cross multiply
    18,675.96x = 25,764.66 × 13,368.84
  4. Step 4: Simplify right side
    18,675.96x = 344,443,617.19
  5. Step 5: Solve for x
    x = 344,443,617.19/18,675.96
  6. Step 6: Final answer
    x = 18,443.15

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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.