Home / 15,414.06-21,259.96-9,364.27

Finding the Fourth Proportional to 15,414.06, 21,259.96 and 9,364.27

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Solution

The fourth proportional to 15,414.06, 21,259.96 and 9,364.27 is: 12,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,414.06 : 21,259.96 = 9,364.27 : x
  2. Step 2: Convert to fraction form
    15,414.06/21,259.96 = 9,364.27/x
  3. Step 3: Cross multiply
    15,414.06x = 21,259.96 × 9,364.27
  4. Step 4: Simplify right side
    15,414.06x = 199,084,005.63
  5. Step 5: Solve for x
    x = 199,084,005.63/15,414.06
  6. Step 6: Final answer
    x = 12,915.74

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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.