Home / 13,898.77-20,850.19-4,036.77

Finding the Fourth Proportional to 13,898.77, 20,850.19 and 4,036.77

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Solution

The fourth proportional to 13,898.77, 20,850.19 and 4,036.77 is: 6,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.77 : 20,850.19 = 4,036.77 : x
  2. Step 2: Convert to fraction form
    13,898.77/20,850.19 = 4,036.77/x
  3. Step 3: Cross multiply
    13,898.77x = 20,850.19 × 4,036.77
  4. Step 4: Simplify right side
    13,898.77x = 84,167,376.08
  5. Step 5: Solve for x
    x = 84,167,376.08/13,898.77
  6. Step 6: Final answer
    x = 6,055.74

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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.