Home / 13,862.82-19,130.61-7,575.19

Finding the Fourth Proportional to 13,862.82, 19,130.61 and 7,575.19

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Solution

The fourth proportional to 13,862.82, 19,130.61 and 7,575.19 is: 10,453.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.82 : 19,130.61 = 7,575.19 : x
  2. Step 2: Convert to fraction form
    13,862.82/19,130.61 = 7,575.19/x
  3. Step 3: Cross multiply
    13,862.82x = 19,130.61 × 7,575.19
  4. Step 4: Simplify right side
    13,862.82x = 144,918,005.57
  5. Step 5: Solve for x
    x = 144,918,005.57/13,862.82
  6. Step 6: Final answer
    x = 10,453.72

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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.