Home / 19,852.80-27,390.72-11,466.24

Finding the Fourth Proportional to 19,852.80, 27,390.72 and 11,466.24

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Solution

The fourth proportional to 19,852.80, 27,390.72 and 11,466.24 is: 15,819.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852.80 : 27,390.72 = 11,466.24 : x
  2. Step 2: Convert to fraction form
    19,852.80/27,390.72 = 11,466.24/x
  3. Step 3: Cross multiply
    19,852.80x = 27,390.72 × 11,466.24
  4. Step 4: Simplify right side
    19,852.80x = 314,068,569.29
  5. Step 5: Solve for x
    x = 314,068,569.29/19,852.80
  6. Step 6: Final answer
    x = 15,819.86

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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.