Home / 11,565.74-15,960.67-6,260.65

Finding the Fourth Proportional to 11,565.74, 15,960.67 and 6,260.65

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Solution

The fourth proportional to 11,565.74, 15,960.67 and 6,260.65 is: 8,639.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.74 : 15,960.67 = 6,260.65 : x
  2. Step 2: Convert to fraction form
    11,565.74/15,960.67 = 6,260.65/x
  3. Step 3: Cross multiply
    11,565.74x = 15,960.67 × 6,260.65
  4. Step 4: Simplify right side
    11,565.74x = 99,924,168.64
  5. Step 5: Solve for x
    x = 99,924,168.64/11,565.74
  6. Step 6: Final answer
    x = 8,639.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.