Home / 21,595.60-32,396.87-9,117.47

Finding the Fourth Proportional to 21,595.60, 32,396.87 and 9,117.47

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Solution

The fourth proportional to 21,595.60, 32,396.87 and 9,117.47 is: 13,677.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595.60 : 32,396.87 = 9,117.47 : x
  2. Step 2: Convert to fraction form
    21,595.60/32,396.87 = 9,117.47/x
  3. Step 3: Cross multiply
    21,595.60x = 32,396.87 × 9,117.47
  4. Step 4: Simplify right side
    21,595.60x = 295,377,490.32
  5. Step 5: Solve for x
    x = 295,377,490.32/21,595.60
  6. Step 6: Final answer
    x = 13,677.67

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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.