Home / 17,860.81-26,747.47-12,582.85

Finding the Fourth Proportional to 17,860.81, 26,747.47 and 12,582.85

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Solution

The fourth proportional to 17,860.81, 26,747.47 and 12,582.85 is: 18,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,860.81 : 26,747.47 = 12,582.85 : x
  2. Step 2: Convert to fraction form
    17,860.81/26,747.47 = 12,582.85/x
  3. Step 3: Cross multiply
    17,860.81x = 26,747.47 × 12,582.85
  4. Step 4: Simplify right side
    17,860.81x = 336,559,402.89
  5. Step 5: Solve for x
    x = 336,559,402.89/17,860.81
  6. Step 6: Final answer
    x = 18,843.46

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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.