Home / 13,865.48-19,128.92-8,551.04

Finding the Fourth Proportional to 13,865.48, 19,128.92 and 8,551.04

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Solution

The fourth proportional to 13,865.48, 19,128.92 and 8,551.04 is: 11,797.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865.48 : 19,128.92 = 8,551.04 : x
  2. Step 2: Convert to fraction form
    13,865.48/19,128.92 = 8,551.04/x
  3. Step 3: Cross multiply
    13,865.48x = 19,128.92 × 8,551.04
  4. Step 4: Simplify right side
    13,865.48x = 163,572,160.08
  5. Step 5: Solve for x
    x = 163,572,160.08/13,865.48
  6. Step 6: Final answer
    x = 11,797.08

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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.