Home / 13,284.14-18,312.08-10,922.18

Finding the Fourth Proportional to 13,284.14, 18,312.08 and 10,922.18

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Solution

The fourth proportional to 13,284.14, 18,312.08 and 10,922.18 is: 15,056.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.14 : 18,312.08 = 10,922.18 : x
  2. Step 2: Convert to fraction form
    13,284.14/18,312.08 = 10,922.18/x
  3. Step 3: Cross multiply
    13,284.14x = 18,312.08 × 10,922.18
  4. Step 4: Simplify right side
    13,284.14x = 200,007,687.76
  5. Step 5: Solve for x
    x = 200,007,687.76/13,284.14
  6. Step 6: Final answer
    x = 15,056.13

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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.