Home / 15,815.81-23,730.31-6,937.52

Finding the Fourth Proportional to 15,815.81, 23,730.31 and 6,937.52

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Solution

The fourth proportional to 15,815.81, 23,730.31 and 6,937.52 is: 10,409.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.81 : 23,730.31 = 6,937.52 : x
  2. Step 2: Convert to fraction form
    15,815.81/23,730.31 = 6,937.52/x
  3. Step 3: Cross multiply
    15,815.81x = 23,730.31 × 6,937.52
  4. Step 4: Simplify right side
    15,815.81x = 164,629,500.23
  5. Step 5: Solve for x
    x = 164,629,500.23/15,815.81
  6. Step 6: Final answer
    x = 10,409.17

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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.