Home / 13,559.17-20,341.73-4,071.09

Finding the Fourth Proportional to 13,559.17, 20,341.73 and 4,071.09

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Solution

The fourth proportional to 13,559.17, 20,341.73 and 4,071.09 is: 6,107.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.17 : 20,341.73 = 4,071.09 : x
  2. Step 2: Convert to fraction form
    13,559.17/20,341.73 = 4,071.09/x
  3. Step 3: Cross multiply
    13,559.17x = 20,341.73 × 4,071.09
  4. Step 4: Simplify right side
    13,559.17x = 82,813,013.59
  5. Step 5: Solve for x
    x = 82,813,013.59/13,559.17
  6. Step 6: Final answer
    x = 6,107.53

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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.