Home / 13,009.61-19,515.29-4,575.11

Finding the Fourth Proportional to 13,009.61, 19,515.29 and 4,575.11

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Solution

The fourth proportional to 13,009.61, 19,515.29 and 4,575.11 is: 6,862.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.61 : 19,515.29 = 4,575.11 : x
  2. Step 2: Convert to fraction form
    13,009.61/19,515.29 = 4,575.11/x
  3. Step 3: Cross multiply
    13,009.61x = 19,515.29 × 4,575.11
  4. Step 4: Simplify right side
    13,009.61x = 89,284,540.31
  5. Step 5: Solve for x
    x = 89,284,540.31/13,009.61
  6. Step 6: Final answer
    x = 6,862.97

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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.