Home / 18,963.06-28,394.91-15,023.22

Finding the Fourth Proportional to 18,963.06, 28,394.91 and 15,023.22

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Solution

The fourth proportional to 18,963.06, 28,394.91 and 15,023.22 is: 22,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,963.06 : 28,394.91 = 15,023.22 : x
  2. Step 2: Convert to fraction form
    18,963.06/28,394.91 = 15,023.22/x
  3. Step 3: Cross multiply
    18,963.06x = 28,394.91 × 15,023.22
  4. Step 4: Simplify right side
    18,963.06x = 426,582,979.81
  5. Step 5: Solve for x
    x = 426,582,979.81/18,963.06
  6. Step 6: Final answer
    x = 22,495.47

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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.