Home / 15,402.09-23,103.14-6,515.11

Finding the Fourth Proportional to 15,402.09, 23,103.14 and 6,515.11

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Solution

The fourth proportional to 15,402.09, 23,103.14 and 6,515.11 is: 9,772.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402.09 : 23,103.14 = 6,515.11 : x
  2. Step 2: Convert to fraction form
    15,402.09/23,103.14 = 6,515.11/x
  3. Step 3: Cross multiply
    15,402.09x = 23,103.14 × 6,515.11
  4. Step 4: Simplify right side
    15,402.09x = 150,519,494.75
  5. Step 5: Solve for x
    x = 150,519,494.75/15,402.09
  6. Step 6: Final answer
    x = 9,772.67

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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.