Home / 12,614.76-18,911.14-5,214.60

Finding the Fourth Proportional to 12,614.76, 18,911.14 and 5,214.60

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Solution

The fourth proportional to 12,614.76, 18,911.14 and 5,214.60 is: 7,817.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.76 : 18,911.14 = 5,214.60 : x
  2. Step 2: Convert to fraction form
    12,614.76/18,911.14 = 5,214.60/x
  3. Step 3: Cross multiply
    12,614.76x = 18,911.14 × 5,214.60
  4. Step 4: Simplify right side
    12,614.76x = 98,614,030.64
  5. Step 5: Solve for x
    x = 98,614,030.64/12,614.76
  6. Step 6: Final answer
    x = 7,817.35

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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.