Home / 13,695.87-20,543.81-4,930.56

Finding the Fourth Proportional to 13,695.87, 20,543.81 and 4,930.56

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Solution

The fourth proportional to 13,695.87, 20,543.81 and 4,930.56 is: 7,395.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.87 : 20,543.81 = 4,930.56 : x
  2. Step 2: Convert to fraction form
    13,695.87/20,543.81 = 4,930.56/x
  3. Step 3: Cross multiply
    13,695.87x = 20,543.81 × 4,930.56
  4. Step 4: Simplify right side
    13,695.87x = 101,292,463.18
  5. Step 5: Solve for x
    x = 101,292,463.18/13,695.87
  6. Step 6: Final answer
    x = 7,395.84

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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.