Home / 10,289.32-15,334.97-10,203.52

Finding the Fourth Proportional to 10,289.32, 15,334.97 and 10,203.52

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Solution

The fourth proportional to 10,289.32, 15,334.97 and 10,203.52 is: 15,207.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.32 : 15,334.97 = 10,203.52 : x
  2. Step 2: Convert to fraction form
    10,289.32/15,334.97 = 10,203.52/x
  3. Step 3: Cross multiply
    10,289.32x = 15,334.97 × 10,203.52
  4. Step 4: Simplify right side
    10,289.32x = 156,470,673.09
  5. Step 5: Solve for x
    x = 156,470,673.09/10,289.32
  6. Step 6: Final answer
    x = 15,207.10

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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.