Home / 15,363.01-21,200.83-8,648.72

Finding the Fourth Proportional to 15,363.01, 21,200.83 and 8,648.72

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Solution

The fourth proportional to 15,363.01, 21,200.83 and 8,648.72 is: 11,935.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363.01 : 21,200.83 = 8,648.72 : x
  2. Step 2: Convert to fraction form
    15,363.01/21,200.83 = 8,648.72/x
  3. Step 3: Cross multiply
    15,363.01x = 21,200.83 × 8,648.72
  4. Step 4: Simplify right side
    15,363.01x = 183,360,042.44
  5. Step 5: Solve for x
    x = 183,360,042.44/15,363.01
  6. Step 6: Final answer
    x = 11,935.16

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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.