Home / 15,397.94-23,105.74-15,272.66

Finding the Fourth Proportional to 15,397.94, 23,105.74 and 15,272.66

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Solution

The fourth proportional to 15,397.94, 23,105.74 and 15,272.66 is: 22,917.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397.94 : 23,105.74 = 15,272.66 : x
  2. Step 2: Convert to fraction form
    15,397.94/23,105.74 = 15,272.66/x
  3. Step 3: Cross multiply
    15,397.94x = 23,105.74 × 15,272.66
  4. Step 4: Simplify right side
    15,397.94x = 352,886,111.07
  5. Step 5: Solve for x
    x = 352,886,111.07/15,397.94
  6. Step 6: Final answer
    x = 22,917.75

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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.