Home / 19,677.42-27,133.40-13,292.93

Finding the Fourth Proportional to 19,677.42, 27,133.40 and 13,292.93

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Solution

The fourth proportional to 19,677.42, 27,133.40 and 13,292.93 is: 18,329.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.42 : 27,133.40 = 13,292.93 : x
  2. Step 2: Convert to fraction form
    19,677.42/27,133.40 = 13,292.93/x
  3. Step 3: Cross multiply
    19,677.42x = 27,133.40 × 13,292.93
  4. Step 4: Simplify right side
    19,677.42x = 360,682,386.86
  5. Step 5: Solve for x
    x = 360,682,386.86/19,677.42
  6. Step 6: Final answer
    x = 18,329.76

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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.