Home / 13,602.46-20,394.38-4,715.54

Finding the Fourth Proportional to 13,602.46, 20,394.38 and 4,715.54

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Solution

The fourth proportional to 13,602.46, 20,394.38 and 4,715.54 is: 7,070.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,602.46 : 20,394.38 = 4,715.54 : x
  2. Step 2: Convert to fraction form
    13,602.46/20,394.38 = 4,715.54/x
  3. Step 3: Cross multiply
    13,602.46x = 20,394.38 × 4,715.54
  4. Step 4: Simplify right side
    13,602.46x = 96,170,514.67
  5. Step 5: Solve for x
    x = 96,170,514.67/13,602.46
  6. Step 6: Final answer
    x = 7,070.08

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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.