Home / 14,328.27-21,387.61-13,272.93

Finding the Fourth Proportional to 14,328.27, 21,387.61 and 13,272.93

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Solution

The fourth proportional to 14,328.27, 21,387.61 and 13,272.93 is: 19,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.27 : 21,387.61 = 13,272.93 : x
  2. Step 2: Convert to fraction form
    14,328.27/21,387.61 = 13,272.93/x
  3. Step 3: Cross multiply
    14,328.27x = 21,387.61 × 13,272.93
  4. Step 4: Simplify right side
    14,328.27x = 283,876,120.76
  5. Step 5: Solve for x
    x = 283,876,120.76/14,328.27
  6. Step 6: Final answer
    x = 19,812.31

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1.5x scale

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.