Home / 13,374.03-20,071.14-9,147.18

Finding the Fourth Proportional to 13,374.03, 20,071.14 and 9,147.18

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Solution

The fourth proportional to 13,374.03, 20,071.14 and 9,147.18 is: 13,727.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.03 : 20,071.14 = 9,147.18 : x
  2. Step 2: Convert to fraction form
    13,374.03/20,071.14 = 9,147.18/x
  3. Step 3: Cross multiply
    13,374.03x = 20,071.14 × 9,147.18
  4. Step 4: Simplify right side
    13,374.03x = 183,594,330.39
  5. Step 5: Solve for x
    x = 183,594,330.39/13,374.03
  6. Step 6: Final answer
    x = 13,727.67

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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.