Home / 15,779.04-23,670.66-4,685.86

Finding the Fourth Proportional to 15,779.04, 23,670.66 and 4,685.86

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Solution

The fourth proportional to 15,779.04, 23,670.66 and 4,685.86 is: 7,029.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779.04 : 23,670.66 = 4,685.86 : x
  2. Step 2: Convert to fraction form
    15,779.04/23,670.66 = 4,685.86/x
  3. Step 3: Cross multiply
    15,779.04x = 23,670.66 × 4,685.86
  4. Step 4: Simplify right side
    15,779.04x = 110,917,398.87
  5. Step 5: Solve for x
    x = 110,917,398.87/15,779.04
  6. Step 6: Final answer
    x = 7,029.41

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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.