Home / 19,477.29-29,264.11-12,460.43

Finding the Fourth Proportional to 19,477.29, 29,264.11 and 12,460.43

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Solution

The fourth proportional to 19,477.29, 29,264.11 and 12,460.43 is: 18,721.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477.29 : 29,264.11 = 12,460.43 : x
  2. Step 2: Convert to fraction form
    19,477.29/29,264.11 = 12,460.43/x
  3. Step 3: Cross multiply
    19,477.29x = 29,264.11 × 12,460.43
  4. Step 4: Simplify right side
    19,477.29x = 364,643,471.22
  5. Step 5: Solve for x
    x = 364,643,471.22/19,477.29
  6. Step 6: Final answer
    x = 18,721.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.