Home / 13,134.72-19,709.56-4,813.62

Finding the Fourth Proportional to 13,134.72, 19,709.56 and 4,813.62

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Solution

The fourth proportional to 13,134.72, 19,709.56 and 4,813.62 is: 7,223.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.72 : 19,709.56 = 4,813.62 : x
  2. Step 2: Convert to fraction form
    13,134.72/19,709.56 = 4,813.62/x
  3. Step 3: Cross multiply
    13,134.72x = 19,709.56 × 4,813.62
  4. Step 4: Simplify right side
    13,134.72x = 94,874,332.21
  5. Step 5: Solve for x
    x = 94,874,332.21/13,134.72
  6. Step 6: Final answer
    x = 7,223.17

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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.