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Finding the Fourth Proportional to 16,799.76, 25,201.02 and 5,113.08

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Solution

The fourth proportional to 16,799.76, 25,201.02 and 5,113.08 is: 7,670.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,799.76 : 25,201.02 = 5,113.08 : x
  2. Step 2: Convert to fraction form
    16,799.76/25,201.02 = 5,113.08/x
  3. Step 3: Cross multiply
    16,799.76x = 25,201.02 × 5,113.08
  4. Step 4: Simplify right side
    16,799.76x = 128,854,831.34
  5. Step 5: Solve for x
    x = 128,854,831.34/16,799.76
  6. Step 6: Final answer
    x = 7,670.04

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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.