Home / 9,331.64-13,990.51-4,065.65

Finding the Fourth Proportional to 9,331.64, 13,990.51 and 4,065.65

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Solution

The fourth proportional to 9,331.64, 13,990.51 and 4,065.65 is: 6,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.64 : 13,990.51 = 4,065.65 : x
  2. Step 2: Convert to fraction form
    9,331.64/13,990.51 = 4,065.65/x
  3. Step 3: Cross multiply
    9,331.64x = 13,990.51 × 4,065.65
  4. Step 4: Simplify right side
    9,331.64x = 56,880,516.98
  5. Step 5: Solve for x
    x = 56,880,516.98/9,331.64
  6. Step 6: Final answer
    x = 6,095.45

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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.