Home / 15,785.14-23,678.99-4,691.84

Finding the Fourth Proportional to 15,785.14, 23,678.99 and 4,691.84

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Solution

The fourth proportional to 15,785.14, 23,678.99 and 4,691.84 is: 7,038.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,785.14 : 23,678.99 = 4,691.84 : x
  2. Step 2: Convert to fraction form
    15,785.14/23,678.99 = 4,691.84/x
  3. Step 3: Cross multiply
    15,785.14x = 23,678.99 × 4,691.84
  4. Step 4: Simplify right side
    15,785.14x = 111,098,032.44
  5. Step 5: Solve for x
    x = 111,098,032.44/15,785.14
  6. Step 6: Final answer
    x = 7,038.14

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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.