Home / 25,798.20-38,667.06-11,918.04

Finding the Fourth Proportional to 25,798.20, 38,667.06 and 11,918.04

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Solution

The fourth proportional to 25,798.20, 38,667.06 and 11,918.04 is: 17,863.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,798.20 : 38,667.06 = 11,918.04 : x
  2. Step 2: Convert to fraction form
    25,798.20/38,667.06 = 11,918.04/x
  3. Step 3: Cross multiply
    25,798.20x = 38,667.06 × 11,918.04
  4. Step 4: Simplify right side
    25,798.20x = 460,835,567.76
  5. Step 5: Solve for x
    x = 460,835,567.76/25,798.20
  6. Step 6: Final answer
    x = 17,863.09

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1.5x scale

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.