Home / 22,866.94-31,556.50-12,795.40

Finding the Fourth Proportional to 22,866.94, 31,556.50 and 12,795.40

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Solution

The fourth proportional to 22,866.94, 31,556.50 and 12,795.40 is: 17,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,866.94 : 31,556.50 = 12,795.40 : x
  2. Step 2: Convert to fraction form
    22,866.94/31,556.50 = 12,795.40/x
  3. Step 3: Cross multiply
    22,866.94x = 31,556.50 × 12,795.40
  4. Step 4: Simplify right side
    22,866.94x = 403,778,040.10
  5. Step 5: Solve for x
    x = 403,778,040.10/22,866.94
  6. Step 6: Final answer
    x = 17,657.72

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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.