Home / 9,465.46-14,210.78-8,087.65

Finding the Fourth Proportional to 9,465.46, 14,210.78 and 8,087.65

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Solution

The fourth proportional to 9,465.46, 14,210.78 and 8,087.65 is: 12,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,465.46 : 14,210.78 = 8,087.65 : x
  2. Step 2: Convert to fraction form
    9,465.46/14,210.78 = 8,087.65/x
  3. Step 3: Cross multiply
    9,465.46x = 14,210.78 × 8,087.65
  4. Step 4: Simplify right side
    9,465.46x = 114,931,738.90
  5. Step 5: Solve for x
    x = 114,931,738.90/9,465.46
  6. Step 6: Final answer
    x = 12,142.23

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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.