Home / 19,926.08-29,889.12-6,779.84

Finding the Fourth Proportional to 19,926.08, 29,889.12 and 6,779.84

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Solution

The fourth proportional to 19,926.08, 29,889.12 and 6,779.84 is: 10,169.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.08 : 29,889.12 = 6,779.84 : x
  2. Step 2: Convert to fraction form
    19,926.08/29,889.12 = 6,779.84/x
  3. Step 3: Cross multiply
    19,926.08x = 29,889.12 × 6,779.84
  4. Step 4: Simplify right side
    19,926.08x = 202,643,451.34
  5. Step 5: Solve for x
    x = 202,643,451.34/19,926.08
  6. Step 6: Final answer
    x = 10,169.76

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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.