Home / 21,346.68-29,474.34-13,797.74

Finding the Fourth Proportional to 21,346.68, 29,474.34 and 13,797.74

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Solution

The fourth proportional to 21,346.68, 29,474.34 and 13,797.74 is: 19,051.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,346.68 : 29,474.34 = 13,797.74 : x
  2. Step 2: Convert to fraction form
    21,346.68/29,474.34 = 13,797.74/x
  3. Step 3: Cross multiply
    21,346.68x = 29,474.34 × 13,797.74
  4. Step 4: Simplify right side
    21,346.68x = 406,679,279.99
  5. Step 5: Solve for x
    x = 406,679,279.99/21,346.68
  6. Step 6: Final answer
    x = 19,051.17

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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.