Home / 19,209.72-26,511.12-10,827.84

Finding the Fourth Proportional to 19,209.72, 26,511.12 and 10,827.84

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Solution

The fourth proportional to 19,209.72, 26,511.12 and 10,827.84 is: 14,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.72 : 26,511.12 = 10,827.84 : x
  2. Step 2: Convert to fraction form
    19,209.72/26,511.12 = 10,827.84/x
  3. Step 3: Cross multiply
    19,209.72x = 26,511.12 × 10,827.84
  4. Step 4: Simplify right side
    19,209.72x = 287,058,165.58
  5. Step 5: Solve for x
    x = 287,058,165.58/19,209.72
  6. Step 6: Final answer
    x = 14,943.38

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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.