Home / 19,779.04-29,657.91-7,926.86

Finding the Fourth Proportional to 19,779.04, 29,657.91 and 7,926.86

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Solution

The fourth proportional to 19,779.04, 29,657.91 and 7,926.86 is: 11,886.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.04 : 29,657.91 = 7,926.86 : x
  2. Step 2: Convert to fraction form
    19,779.04/29,657.91 = 7,926.86/x
  3. Step 3: Cross multiply
    19,779.04x = 29,657.91 × 7,926.86
  4. Step 4: Simplify right side
    19,779.04x = 235,094,204.33
  5. Step 5: Solve for x
    x = 235,094,204.33/19,779.04
  6. Step 6: Final answer
    x = 11,886.03

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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.