Home / 9,924.21-13,696.10-6,561.18

Finding the Fourth Proportional to 9,924.21, 13,696.10 and 6,561.18

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Solution

The fourth proportional to 9,924.21, 13,696.10 and 6,561.18 is: 9,054.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,924.21 : 13,696.10 = 6,561.18 : x
  2. Step 2: Convert to fraction form
    9,924.21/13,696.10 = 6,561.18/x
  3. Step 3: Cross multiply
    9,924.21x = 13,696.10 × 6,561.18
  4. Step 4: Simplify right side
    9,924.21x = 89,862,577.40
  5. Step 5: Solve for x
    x = 89,862,577.40/9,924.21
  6. Step 6: Final answer
    x = 9,054.88

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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.