Home / 22,774.76-31,429.21-12,703.85

Finding the Fourth Proportional to 22,774.76, 31,429.21 and 12,703.85

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Solution

The fourth proportional to 22,774.76, 31,429.21 and 12,703.85 is: 17,531.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,774.76 : 31,429.21 = 12,703.85 : x
  2. Step 2: Convert to fraction form
    22,774.76/31,429.21 = 12,703.85/x
  3. Step 3: Cross multiply
    22,774.76x = 31,429.21 × 12,703.85
  4. Step 4: Simplify right side
    22,774.76x = 399,271,748.79
  5. Step 5: Solve for x
    x = 399,271,748.79/22,774.76
  6. Step 6: Final answer
    x = 17,531.33

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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.