Home / 15,719.03-21,696.05-9,008.59

Finding the Fourth Proportional to 15,719.03, 21,696.05 and 9,008.59

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Solution

The fourth proportional to 15,719.03, 21,696.05 and 9,008.59 is: 12,434.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719.03 : 21,696.05 = 9,008.59 : x
  2. Step 2: Convert to fraction form
    15,719.03/21,696.05 = 9,008.59/x
  3. Step 3: Cross multiply
    15,719.03x = 21,696.05 × 9,008.59
  4. Step 4: Simplify right side
    15,719.03x = 195,450,819.07
  5. Step 5: Solve for x
    x = 195,450,819.07/15,719.03
  6. Step 6: Final answer
    x = 12,434.03

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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.