Home / 10,959.57-16,439.36-10,172.25

Finding the Fourth Proportional to 10,959.57, 16,439.36 and 10,172.25

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Solution

The fourth proportional to 10,959.57, 16,439.36 and 10,172.25 is: 15,258.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959.57 : 16,439.36 = 10,172.25 : x
  2. Step 2: Convert to fraction form
    10,959.57/16,439.36 = 10,172.25/x
  3. Step 3: Cross multiply
    10,959.57x = 16,439.36 × 10,172.25
  4. Step 4: Simplify right side
    10,959.57x = 167,225,228.90
  5. Step 5: Solve for x
    x = 167,225,228.90/10,959.57
  6. Step 6: Final answer
    x = 15,258.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.