Home / 13,289.46-19,934.28-5,498.16

Finding the Fourth Proportional to 13,289.46, 19,934.28 and 5,498.16

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Solution

The fourth proportional to 13,289.46, 19,934.28 and 5,498.16 is: 8,247.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.46 : 19,934.28 = 5,498.16 : x
  2. Step 2: Convert to fraction form
    13,289.46/19,934.28 = 5,498.16/x
  3. Step 3: Cross multiply
    13,289.46x = 19,934.28 × 5,498.16
  4. Step 4: Simplify right side
    13,289.46x = 109,601,860.92
  5. Step 5: Solve for x
    x = 109,601,860.92/13,289.46
  6. Step 6: Final answer
    x = 8,247.28

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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.