Home / 10,287.06-15,340.26-10,193.51

Finding the Fourth Proportional to 10,287.06, 15,340.26 and 10,193.51

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Solution

The fourth proportional to 10,287.06, 15,340.26 and 10,193.51 is: 15,200.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.06 : 15,340.26 = 10,193.51 : x
  2. Step 2: Convert to fraction form
    10,287.06/15,340.26 = 10,193.51/x
  3. Step 3: Cross multiply
    10,287.06x = 15,340.26 × 10,193.51
  4. Step 4: Simplify right side
    10,287.06x = 156,371,017.01
  5. Step 5: Solve for x
    x = 156,371,017.01/10,287.06
  6. Step 6: Final answer
    x = 15,200.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.