Home / 15,740.80-23,602.56-10,811.68

Finding the Fourth Proportional to 15,740.80, 23,602.56 and 10,811.68

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Solution

The fourth proportional to 15,740.80, 23,602.56 and 10,811.68 is: 16,211.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740.80 : 23,602.56 = 10,811.68 : x
  2. Step 2: Convert to fraction form
    15,740.80/23,602.56 = 10,811.68/x
  3. Step 3: Cross multiply
    15,740.80x = 23,602.56 × 10,811.68
  4. Step 4: Simplify right side
    15,740.80x = 255,183,325.90
  5. Step 5: Solve for x
    x = 255,183,325.90/15,740.80
  6. Step 6: Final answer
    x = 16,211.59

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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.