Home / 14,329.86-19,774.82-8,590.56

Finding the Fourth Proportional to 14,329.86, 19,774.82 and 8,590.56

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Solution

The fourth proportional to 14,329.86, 19,774.82 and 8,590.56 is: 11,854.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,329.86 : 19,774.82 = 8,590.56 : x
  2. Step 2: Convert to fraction form
    14,329.86/19,774.82 = 8,590.56/x
  3. Step 3: Cross multiply
    14,329.86x = 19,774.82 × 8,590.56
  4. Step 4: Simplify right side
    14,329.86x = 169,876,734.75
  5. Step 5: Solve for x
    x = 169,876,734.75/14,329.86
  6. Step 6: Final answer
    x = 11,854.74

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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.