Home / 15,619.02-21,542.97-9,948.18

Finding the Fourth Proportional to 15,619.02, 21,542.97 and 9,948.18

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Solution

The fourth proportional to 15,619.02, 21,542.97 and 9,948.18 is: 13,721.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619.02 : 21,542.97 = 9,948.18 : x
  2. Step 2: Convert to fraction form
    15,619.02/21,542.97 = 9,948.18/x
  3. Step 3: Cross multiply
    15,619.02x = 21,542.97 × 9,948.18
  4. Step 4: Simplify right side
    15,619.02x = 214,313,343.29
  5. Step 5: Solve for x
    x = 214,313,343.29/15,619.02
  6. Step 6: Final answer
    x = 13,721.31

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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.