Home / 15,269.32-23,008.00-12,556.76

Finding the Fourth Proportional to 15,269.32, 23,008.00 and 12,556.76

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Solution

The fourth proportional to 15,269.32, 23,008.00 and 12,556.76 is: 18,920.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,269.32 : 23,008.00 = 12,556.76 : x
  2. Step 2: Convert to fraction form
    15,269.32/23,008.00 = 12,556.76/x
  3. Step 3: Cross multiply
    15,269.32x = 23,008.00 × 12,556.76
  4. Step 4: Simplify right side
    15,269.32x = 288,905,756.26
  5. Step 5: Solve for x
    x = 288,905,756.26/15,269.32
  6. Step 6: Final answer
    x = 18,920.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.