Home / 15,356.48-21,194.84-9,616.60

Finding the Fourth Proportional to 15,356.48, 21,194.84 and 9,616.60

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Solution

The fourth proportional to 15,356.48, 21,194.84 and 9,616.60 is: 13,272.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,356.48 : 21,194.84 = 9,616.60 : x
  2. Step 2: Convert to fraction form
    15,356.48/21,194.84 = 9,616.60/x
  3. Step 3: Cross multiply
    15,356.48x = 21,194.84 × 9,616.60
  4. Step 4: Simplify right side
    15,356.48x = 203,822,298.34
  5. Step 5: Solve for x
    x = 203,822,298.34/15,356.48
  6. Step 6: Final answer
    x = 13,272.72

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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.