Home / 15,449.19-21,322.98-8,734.92

Finding the Fourth Proportional to 15,449.19, 21,322.98 and 8,734.92

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Solution

The fourth proportional to 15,449.19, 21,322.98 and 8,734.92 is: 12,055.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449.19 : 21,322.98 = 8,734.92 : x
  2. Step 2: Convert to fraction form
    15,449.19/21,322.98 = 8,734.92/x
  3. Step 3: Cross multiply
    15,449.19x = 21,322.98 × 8,734.92
  4. Step 4: Simplify right side
    15,449.19x = 186,254,524.46
  5. Step 5: Solve for x
    x = 186,254,524.46/15,449.19
  6. Step 6: Final answer
    x = 12,055.94

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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.