Home / 13,394.38-20,088.83-5,071.53

Finding the Fourth Proportional to 13,394.38, 20,088.83 and 5,071.53

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Solution

The fourth proportional to 13,394.38, 20,088.83 and 5,071.53 is: 7,606.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.38 : 20,088.83 = 5,071.53 : x
  2. Step 2: Convert to fraction form
    13,394.38/20,088.83 = 5,071.53/x
  3. Step 3: Cross multiply
    13,394.38x = 20,088.83 × 5,071.53
  4. Step 4: Simplify right side
    13,394.38x = 101,880,978.21
  5. Step 5: Solve for x
    x = 101,880,978.21/13,394.38
  6. Step 6: Final answer
    x = 7,606.25

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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.