Home / 19,964.59-29,950.05-6,638.08

Finding the Fourth Proportional to 19,964.59, 29,950.05 and 6,638.08

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Solution

The fourth proportional to 19,964.59, 29,950.05 and 6,638.08 is: 9,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.59 : 29,950.05 = 6,638.08 : x
  2. Step 2: Convert to fraction form
    19,964.59/29,950.05 = 6,638.08/x
  3. Step 3: Cross multiply
    19,964.59x = 29,950.05 × 6,638.08
  4. Step 4: Simplify right side
    19,964.59x = 198,810,827.90
  5. Step 5: Solve for x
    x = 198,810,827.90/19,964.59
  6. Step 6: Final answer
    x = 9,958.17

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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.