Home / 25,758.09-38,654.45-9,118.05

Finding the Fourth Proportional to 25,758.09, 38,654.45 and 9,118.05

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Solution

The fourth proportional to 25,758.09, 38,654.45 and 9,118.05 is: 13,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,758.09 : 38,654.45 = 9,118.05 : x
  2. Step 2: Convert to fraction form
    25,758.09/38,654.45 = 9,118.05/x
  3. Step 3: Cross multiply
    25,758.09x = 38,654.45 × 9,118.05
  4. Step 4: Simplify right side
    25,758.09x = 352,453,162.23
  5. Step 5: Solve for x
    x = 352,453,162.23/25,758.09
  6. Step 6: Final answer
    x = 13,683.20

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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.