Home / 20,064.72-27,686.04-11,567.18

Finding the Fourth Proportional to 20,064.72, 27,686.04 and 11,567.18

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Solution

The fourth proportional to 20,064.72, 27,686.04 and 11,567.18 is: 15,960.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.72 : 27,686.04 = 11,567.18 : x
  2. Step 2: Convert to fraction form
    20,064.72/27,686.04 = 11,567.18/x
  3. Step 3: Cross multiply
    20,064.72x = 27,686.04 × 11,567.18
  4. Step 4: Simplify right side
    20,064.72x = 320,249,408.17
  5. Step 5: Solve for x
    x = 320,249,408.17/20,064.72
  6. Step 6: Final answer
    x = 15,960.82

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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.