Home / 19,135.04-28,700.40-6,652.96

Finding the Fourth Proportional to 19,135.04, 28,700.40 and 6,652.96

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Solution

The fourth proportional to 19,135.04, 28,700.40 and 6,652.96 is: 9,978.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.04 : 28,700.40 = 6,652.96 : x
  2. Step 2: Convert to fraction form
    19,135.04/28,700.40 = 6,652.96/x
  3. Step 3: Cross multiply
    19,135.04x = 28,700.40 × 6,652.96
  4. Step 4: Simplify right side
    19,135.04x = 190,942,613.18
  5. Step 5: Solve for x
    x = 190,942,613.18/19,135.04
  6. Step 6: Final answer
    x = 9,978.69

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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.