Home / 15,811.93-21,822.66-9,097.45

Finding the Fourth Proportional to 15,811.93, 21,822.66 and 9,097.45

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Solution

The fourth proportional to 15,811.93, 21,822.66 and 9,097.45 is: 12,555.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,811.93 : 21,822.66 = 9,097.45 : x
  2. Step 2: Convert to fraction form
    15,811.93/21,822.66 = 9,097.45/x
  3. Step 3: Cross multiply
    15,811.93x = 21,822.66 × 9,097.45
  4. Step 4: Simplify right side
    15,811.93x = 198,530,558.22
  5. Step 5: Solve for x
    x = 198,530,558.22/15,811.93
  6. Step 6: Final answer
    x = 12,555.74

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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.