Home / 13,204.77-19,807.20-5,310.87

Finding the Fourth Proportional to 13,204.77, 19,807.20 and 5,310.87

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Solution

The fourth proportional to 13,204.77, 19,807.20 and 5,310.87 is: 7,966.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.77 : 19,807.20 = 5,310.87 : x
  2. Step 2: Convert to fraction form
    13,204.77/19,807.20 = 5,310.87/x
  3. Step 3: Cross multiply
    13,204.77x = 19,807.20 × 5,310.87
  4. Step 4: Simplify right side
    13,204.77x = 105,193,464.26
  5. Step 5: Solve for x
    x = 105,193,464.26/13,204.77
  6. Step 6: Final answer
    x = 7,966.32

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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.