Home / 12,575.41-17,354.54-7,540.45

Finding the Fourth Proportional to 12,575.41, 17,354.54 and 7,540.45

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Solution

The fourth proportional to 12,575.41, 17,354.54 and 7,540.45 is: 10,406.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.41 : 17,354.54 = 7,540.45 : x
  2. Step 2: Convert to fraction form
    12,575.41/17,354.54 = 7,540.45/x
  3. Step 3: Cross multiply
    12,575.41x = 17,354.54 × 7,540.45
  4. Step 4: Simplify right side
    12,575.41x = 130,861,041.14
  5. Step 5: Solve for x
    x = 130,861,041.14/12,575.41
  6. Step 6: Final answer
    x = 10,406.11

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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.