Home / 21,914.88-30,248.24-13,526.52

Finding the Fourth Proportional to 21,914.88, 30,248.24 and 13,526.52

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Solution

The fourth proportional to 21,914.88, 30,248.24 and 13,526.52 is: 18,670.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,914.88 : 30,248.24 = 13,526.52 : x
  2. Step 2: Convert to fraction form
    21,914.88/30,248.24 = 13,526.52/x
  3. Step 3: Cross multiply
    21,914.88x = 30,248.24 × 13,526.52
  4. Step 4: Simplify right side
    21,914.88x = 409,153,423.32
  5. Step 5: Solve for x
    x = 409,153,423.32/21,914.88
  6. Step 6: Final answer
    x = 18,670.12

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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.