Home / 16,308.47-22,505.36-9,138.30

Finding the Fourth Proportional to 16,308.47, 22,505.36 and 9,138.30

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Solution

The fourth proportional to 16,308.47, 22,505.36 and 9,138.30 is: 12,610.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,308.47 : 22,505.36 = 9,138.30 : x
  2. Step 2: Convert to fraction form
    16,308.47/22,505.36 = 9,138.30/x
  3. Step 3: Cross multiply
    16,308.47x = 22,505.36 × 9,138.30
  4. Step 4: Simplify right side
    16,308.47x = 205,660,731.29
  5. Step 5: Solve for x
    x = 205,660,731.29/16,308.47
  6. Step 6: Final answer
    x = 12,610.67

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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.