Home / 13,974.32-21,056.96-11,562.08

Finding the Fourth Proportional to 13,974.32, 21,056.96 and 11,562.08

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Solution

The fourth proportional to 13,974.32, 21,056.96 and 11,562.08 is: 17,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.32 : 21,056.96 = 11,562.08 : x
  2. Step 2: Convert to fraction form
    13,974.32/21,056.96 = 11,562.08/x
  3. Step 3: Cross multiply
    13,974.32x = 21,056.96 × 11,562.08
  4. Step 4: Simplify right side
    13,974.32x = 243,462,256.08
  5. Step 5: Solve for x
    x = 243,462,256.08/13,974.32
  6. Step 6: Final answer
    x = 17,422.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.