Home / 9,509.50-14,251.68-6,885.78

Finding the Fourth Proportional to 9,509.50, 14,251.68 and 6,885.78

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Solution

The fourth proportional to 9,509.50, 14,251.68 and 6,885.78 is: 10,319.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,509.50 : 14,251.68 = 6,885.78 : x
  2. Step 2: Convert to fraction form
    9,509.50/14,251.68 = 6,885.78/x
  3. Step 3: Cross multiply
    9,509.50x = 14,251.68 × 6,885.78
  4. Step 4: Simplify right side
    9,509.50x = 98,133,933.11
  5. Step 5: Solve for x
    x = 98,133,933.11/9,509.50
  6. Step 6: Final answer
    x = 10,319.57

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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.