Home / 15,640.45-23,465.07-6,287.04

Finding the Fourth Proportional to 15,640.45, 23,465.07 and 6,287.04

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Solution

The fourth proportional to 15,640.45, 23,465.07 and 6,287.04 is: 9,432.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640.45 : 23,465.07 = 6,287.04 : x
  2. Step 2: Convert to fraction form
    15,640.45/23,465.07 = 6,287.04/x
  3. Step 3: Cross multiply
    15,640.45x = 23,465.07 × 6,287.04
  4. Step 4: Simplify right side
    15,640.45x = 147,525,833.69
  5. Step 5: Solve for x
    x = 147,525,833.69/15,640.45
  6. Step 6: Final answer
    x = 9,432.33

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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.