Home / 20,795.46-28,697.40-11,363.82

Finding the Fourth Proportional to 20,795.46, 28,697.40 and 11,363.82

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Solution

The fourth proportional to 20,795.46, 28,697.40 and 11,363.82 is: 15,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795.46 : 28,697.40 = 11,363.82 : x
  2. Step 2: Convert to fraction form
    20,795.46/28,697.40 = 11,363.82/x
  3. Step 3: Cross multiply
    20,795.46x = 28,697.40 × 11,363.82
  4. Step 4: Simplify right side
    20,795.46x = 326,112,088.07
  5. Step 5: Solve for x
    x = 326,112,088.07/20,795.46
  6. Step 6: Final answer
    x = 15,681.89

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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.