Home / 15,299.34-22,950.11-6,405.72

Finding the Fourth Proportional to 15,299.34, 22,950.11 and 6,405.72

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Solution

The fourth proportional to 15,299.34, 22,950.11 and 6,405.72 is: 9,609.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,299.34 : 22,950.11 = 6,405.72 : x
  2. Step 2: Convert to fraction form
    15,299.34/22,950.11 = 6,405.72/x
  3. Step 3: Cross multiply
    15,299.34x = 22,950.11 × 6,405.72
  4. Step 4: Simplify right side
    15,299.34x = 147,011,978.63
  5. Step 5: Solve for x
    x = 147,011,978.63/15,299.34
  6. Step 6: Final answer
    x = 9,609.04

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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.