Home / 15,251.24-21,030.09-13,244.06

Finding the Fourth Proportional to 15,251.24, 21,030.09 and 13,244.06

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Solution

The fourth proportional to 15,251.24, 21,030.09 and 13,244.06 is: 18,262.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,251.24 : 21,030.09 = 13,244.06 : x
  2. Step 2: Convert to fraction form
    15,251.24/21,030.09 = 13,244.06/x
  3. Step 3: Cross multiply
    15,251.24x = 21,030.09 × 13,244.06
  4. Step 4: Simplify right side
    15,251.24x = 278,523,773.77
  5. Step 5: Solve for x
    x = 278,523,773.77/15,251.24
  6. Step 6: Final answer
    x = 18,262.37

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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.