Home / 15,768.24-23,639.55-6,412.65

Finding the Fourth Proportional to 15,768.24, 23,639.55 and 6,412.65

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Solution

The fourth proportional to 15,768.24, 23,639.55 and 6,412.65 is: 9,613.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768.24 : 23,639.55 = 6,412.65 : x
  2. Step 2: Convert to fraction form
    15,768.24/23,639.55 = 6,412.65/x
  3. Step 3: Cross multiply
    15,768.24x = 23,639.55 × 6,412.65
  4. Step 4: Simplify right side
    15,768.24x = 151,592,160.31
  5. Step 5: Solve for x
    x = 151,592,160.31/15,768.24
  6. Step 6: Final answer
    x = 9,613.77

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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.