Home / 15,434.81-23,155.46-5,045.75

Finding the Fourth Proportional to 15,434.81, 23,155.46 and 5,045.75

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Solution

The fourth proportional to 15,434.81, 23,155.46 and 5,045.75 is: 7,569.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,434.81 : 23,155.46 = 5,045.75 : x
  2. Step 2: Convert to fraction form
    15,434.81/23,155.46 = 5,045.75/x
  3. Step 3: Cross multiply
    15,434.81x = 23,155.46 × 5,045.75
  4. Step 4: Simplify right side
    15,434.81x = 116,836,662.30
  5. Step 5: Solve for x
    x = 116,836,662.30/15,434.81
  6. Step 6: Final answer
    x = 7,569.69

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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.