Home / 14,331.27-21,392.08-13,275.93

Finding the Fourth Proportional to 14,331.27, 21,392.08 and 13,275.93

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Solution

The fourth proportional to 14,331.27, 21,392.08 and 13,275.93 is: 19,816.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.27 : 21,392.08 = 13,275.93 : x
  2. Step 2: Convert to fraction form
    14,331.27/21,392.08 = 13,275.93/x
  3. Step 3: Cross multiply
    14,331.27x = 21,392.08 × 13,275.93
  4. Step 4: Simplify right side
    14,331.27x = 283,999,756.63
  5. Step 5: Solve for x
    x = 283,999,756.63/14,331.27
  6. Step 6: Final answer
    x = 19,816.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.