Home / 20,959.74-28,926.90-12,010.14

Finding the Fourth Proportional to 20,959.74, 28,926.90 and 12,010.14

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Solution

The fourth proportional to 20,959.74, 28,926.90 and 12,010.14 is: 16,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,959.74 : 28,926.90 = 12,010.14 : x
  2. Step 2: Convert to fraction form
    20,959.74/28,926.90 = 12,010.14/x
  3. Step 3: Cross multiply
    20,959.74x = 28,926.90 × 12,010.14
  4. Step 4: Simplify right side
    20,959.74x = 347,416,118.77
  5. Step 5: Solve for x
    x = 347,416,118.77/20,959.74
  6. Step 6: Final answer
    x = 16,575.40

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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.