Home / 13,473.68-18,531.99-10,815.26

Finding the Fourth Proportional to 13,473.68, 18,531.99 and 10,815.26

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Solution

The fourth proportional to 13,473.68, 18,531.99 and 10,815.26 is: 14,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473.68 : 18,531.99 = 10,815.26 : x
  2. Step 2: Convert to fraction form
    13,473.68/18,531.99 = 10,815.26/x
  3. Step 3: Cross multiply
    13,473.68x = 18,531.99 × 10,815.26
  4. Step 4: Simplify right side
    13,473.68x = 200,428,290.17
  5. Step 5: Solve for x
    x = 200,428,290.17/13,473.68
  6. Step 6: Final answer
    x = 14,875.54

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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.