Home / 18,279.84-25,224.96-10,322.40

Finding the Fourth Proportional to 18,279.84, 25,224.96 and 10,322.40

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Solution

The fourth proportional to 18,279.84, 25,224.96 and 10,322.40 is: 14,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.84 : 25,224.96 = 10,322.40 : x
  2. Step 2: Convert to fraction form
    18,279.84/25,224.96 = 10,322.40/x
  3. Step 3: Cross multiply
    18,279.84x = 25,224.96 × 10,322.40
  4. Step 4: Simplify right side
    18,279.84x = 260,382,127.10
  5. Step 5: Solve for x
    x = 260,382,127.10/18,279.84
  6. Step 6: Final answer
    x = 14,244.22

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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.