Home / 13,177.50-19,734.58-7,538.08

Finding the Fourth Proportional to 13,177.50, 19,734.58 and 7,538.08

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Solution

The fourth proportional to 13,177.50, 19,734.58 and 7,538.08 is: 11,289.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.50 : 19,734.58 = 7,538.08 : x
  2. Step 2: Convert to fraction form
    13,177.50/19,734.58 = 7,538.08/x
  3. Step 3: Cross multiply
    13,177.50x = 19,734.58 × 7,538.08
  4. Step 4: Simplify right side
    13,177.50x = 148,760,842.81
  5. Step 5: Solve for x
    x = 148,760,842.81/13,177.50
  6. Step 6: Final answer
    x = 11,289.00

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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.