Home / 19,605.28-29,410.80-6,459.04

Finding the Fourth Proportional to 19,605.28, 29,410.80 and 6,459.04

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Solution

The fourth proportional to 19,605.28, 29,410.80 and 6,459.04 is: 9,689.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.28 : 29,410.80 = 6,459.04 : x
  2. Step 2: Convert to fraction form
    19,605.28/29,410.80 = 6,459.04/x
  3. Step 3: Cross multiply
    19,605.28x = 29,410.80 × 6,459.04
  4. Step 4: Simplify right side
    19,605.28x = 189,965,533.63
  5. Step 5: Solve for x
    x = 189,965,533.63/19,605.28
  6. Step 6: Final answer
    x = 9,689.51

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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.