Home / 8,527.68-12,767.63-6,441.12

Finding the Fourth Proportional to 8,527.68, 12,767.63 and 6,441.12

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Solution

The fourth proportional to 8,527.68, 12,767.63 and 6,441.12 is: 9,643.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527.68 : 12,767.63 = 6,441.12 : x
  2. Step 2: Convert to fraction form
    8,527.68/12,767.63 = 6,441.12/x
  3. Step 3: Cross multiply
    8,527.68x = 12,767.63 × 6,441.12
  4. Step 4: Simplify right side
    8,527.68x = 82,237,804.74
  5. Step 5: Solve for x
    x = 82,237,804.74/8,527.68
  6. Step 6: Final answer
    x = 9,643.63

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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.