Home / 15,845.26-21,865.47-9,298.66

Finding the Fourth Proportional to 15,845.26, 21,865.47 and 9,298.66

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Solution

The fourth proportional to 15,845.26, 21,865.47 and 9,298.66 is: 12,831.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845.26 : 21,865.47 = 9,298.66 : x
  2. Step 2: Convert to fraction form
    15,845.26/21,865.47 = 9,298.66/x
  3. Step 3: Cross multiply
    15,845.26x = 21,865.47 × 9,298.66
  4. Step 4: Simplify right side
    15,845.26x = 203,319,591.06
  5. Step 5: Solve for x
    x = 203,319,591.06/15,845.26
  6. Step 6: Final answer
    x = 12,831.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.