Home / 19,818.99-27,344.52-13,102.17

Finding the Fourth Proportional to 19,818.99, 27,344.52 and 13,102.17

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Solution

The fourth proportional to 19,818.99, 27,344.52 and 13,102.17 is: 18,077.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.99 : 27,344.52 = 13,102.17 : x
  2. Step 2: Convert to fraction form
    19,818.99/27,344.52 = 13,102.17/x
  3. Step 3: Cross multiply
    19,818.99x = 27,344.52 × 13,102.17
  4. Step 4: Simplify right side
    19,818.99x = 358,272,447.07
  5. Step 5: Solve for x
    x = 358,272,447.07/19,818.99
  6. Step 6: Final answer
    x = 18,077.23

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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.