Home / 15,070.68-22,605.64-5,209.02

Finding the Fourth Proportional to 15,070.68, 22,605.64 and 5,209.02

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Solution

The fourth proportional to 15,070.68, 22,605.64 and 5,209.02 is: 7,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,070.68 : 22,605.64 = 5,209.02 : x
  2. Step 2: Convert to fraction form
    15,070.68/22,605.64 = 5,209.02/x
  3. Step 3: Cross multiply
    15,070.68x = 22,605.64 × 5,209.02
  4. Step 4: Simplify right side
    15,070.68x = 117,753,230.87
  5. Step 5: Solve for x
    x = 117,753,230.87/15,070.68
  6. Step 6: Final answer
    x = 7,813.40

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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.