Home / 15,534.84-21,434.58-13,027.08

Finding the Fourth Proportional to 15,534.84, 21,434.58 and 13,027.08

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Solution

The fourth proportional to 15,534.84, 21,434.58 and 13,027.08 is: 17,974.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,534.84 : 21,434.58 = 13,027.08 : x
  2. Step 2: Convert to fraction form
    15,534.84/21,434.58 = 13,027.08/x
  3. Step 3: Cross multiply
    15,534.84x = 21,434.58 × 13,027.08
  4. Step 4: Simplify right side
    15,534.84x = 279,229,988.43
  5. Step 5: Solve for x
    x = 279,229,988.43/15,534.84
  6. Step 6: Final answer
    x = 17,974.44

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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.