Home / 15,601.03-21,517.17-13,810.39

Finding the Fourth Proportional to 15,601.03, 21,517.17 and 13,810.39

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Solution

The fourth proportional to 15,601.03, 21,517.17 and 13,810.39 is: 19,047.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.03 : 21,517.17 = 13,810.39 : x
  2. Step 2: Convert to fraction form
    15,601.03/21,517.17 = 13,810.39/x
  3. Step 3: Cross multiply
    15,601.03x = 21,517.17 × 13,810.39
  4. Step 4: Simplify right side
    15,601.03x = 297,160,509.40
  5. Step 5: Solve for x
    x = 297,160,509.40/15,601.03
  6. Step 6: Final answer
    x = 19,047.49

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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.