Home / 10,873.48-15,008.36-6,398.67

Finding the Fourth Proportional to 10,873.48, 15,008.36 and 6,398.67

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Solution

The fourth proportional to 10,873.48, 15,008.36 and 6,398.67 is: 8,831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873.48 : 15,008.36 = 6,398.67 : x
  2. Step 2: Convert to fraction form
    10,873.48/15,008.36 = 6,398.67/x
  3. Step 3: Cross multiply
    10,873.48x = 15,008.36 × 6,398.67
  4. Step 4: Simplify right side
    10,873.48x = 96,033,542.88
  5. Step 5: Solve for x
    x = 96,033,542.88/10,873.48
  6. Step 6: Final answer
    x = 8,831.91

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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.