Home / 13,777.73-20,657.71-5,885.40

Finding the Fourth Proportional to 13,777.73, 20,657.71 and 5,885.40

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Solution

The fourth proportional to 13,777.73, 20,657.71 and 5,885.40 is: 8,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,777.73 : 20,657.71 = 5,885.40 : x
  2. Step 2: Convert to fraction form
    13,777.73/20,657.71 = 5,885.40/x
  3. Step 3: Cross multiply
    13,777.73x = 20,657.71 × 5,885.40
  4. Step 4: Simplify right side
    13,777.73x = 121,578,886.43
  5. Step 5: Solve for x
    x = 121,578,886.43/13,777.73
  6. Step 6: Final answer
    x = 8,824.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.