Home / 22,177.10-30,605.64-12,746.27

Finding the Fourth Proportional to 22,177.10, 30,605.64 and 12,746.27

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Solution

The fourth proportional to 22,177.10, 30,605.64 and 12,746.27 is: 17,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,177.10 : 30,605.64 = 12,746.27 : x
  2. Step 2: Convert to fraction form
    22,177.10/30,605.64 = 12,746.27/x
  3. Step 3: Cross multiply
    22,177.10x = 30,605.64 × 12,746.27
  4. Step 4: Simplify right side
    22,177.10x = 390,107,566.07
  5. Step 5: Solve for x
    x = 390,107,566.07/22,177.10
  6. Step 6: Final answer
    x = 17,590.56

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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.