Home / 15,386.45-23,083.57-4,293.14

Finding the Fourth Proportional to 15,386.45, 23,083.57 and 4,293.14

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Solution

The fourth proportional to 15,386.45, 23,083.57 and 4,293.14 is: 6,440.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,386.45 : 23,083.57 = 4,293.14 : x
  2. Step 2: Convert to fraction form
    15,386.45/23,083.57 = 4,293.14/x
  3. Step 3: Cross multiply
    15,386.45x = 23,083.57 × 4,293.14
  4. Step 4: Simplify right side
    15,386.45x = 99,100,860.83
  5. Step 5: Solve for x
    x = 99,100,860.83/15,386.45
  6. Step 6: Final answer
    x = 6,440.79

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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.