Home / 9,678.23-14,515.28-3,102.65

Finding the Fourth Proportional to 9,678.23, 14,515.28 and 3,102.65

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Solution

The fourth proportional to 9,678.23, 14,515.28 and 3,102.65 is: 4,653.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678.23 : 14,515.28 = 3,102.65 : x
  2. Step 2: Convert to fraction form
    9,678.23/14,515.28 = 3,102.65/x
  3. Step 3: Cross multiply
    9,678.23x = 14,515.28 × 3,102.65
  4. Step 4: Simplify right side
    9,678.23x = 45,035,833.49
  5. Step 5: Solve for x
    x = 45,035,833.49/9,678.23
  6. Step 6: Final answer
    x = 4,653.31

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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.