Home / 13,309.57-19,922.81-9,803.53

Finding the Fourth Proportional to 13,309.57, 19,922.81 and 9,803.53

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Solution

The fourth proportional to 13,309.57, 19,922.81 and 9,803.53 is: 14,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309.57 : 19,922.81 = 9,803.53 : x
  2. Step 2: Convert to fraction form
    13,309.57/19,922.81 = 9,803.53/x
  3. Step 3: Cross multiply
    13,309.57x = 19,922.81 × 9,803.53
  4. Step 4: Simplify right side
    13,309.57x = 195,313,896.55
  5. Step 5: Solve for x
    x = 195,313,896.55/13,309.57
  6. Step 6: Final answer
    x = 14,674.70

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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.