Home / 13,320.16-19,984.24-6,305.52

Finding the Fourth Proportional to 13,320.16, 19,984.24 and 6,305.52

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Solution

The fourth proportional to 13,320.16, 19,984.24 and 6,305.52 is: 9,460.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320.16 : 19,984.24 = 6,305.52 : x
  2. Step 2: Convert to fraction form
    13,320.16/19,984.24 = 6,305.52/x
  3. Step 3: Cross multiply
    13,320.16x = 19,984.24 × 6,305.52
  4. Step 4: Simplify right side
    13,320.16x = 126,011,025.00
  5. Step 5: Solve for x
    x = 126,011,025.00/13,320.16
  6. Step 6: Final answer
    x = 9,460.17

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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.