Home / 13,309.56-19,953.39-5,305.14

Finding the Fourth Proportional to 13,309.56, 19,953.39 and 5,305.14

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Solution

The fourth proportional to 13,309.56, 19,953.39 and 5,305.14 is: 7,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309.56 : 19,953.39 = 5,305.14 : x
  2. Step 2: Convert to fraction form
    13,309.56/19,953.39 = 5,305.14/x
  3. Step 3: Cross multiply
    13,309.56x = 19,953.39 × 5,305.14
  4. Step 4: Simplify right side
    13,309.56x = 105,855,527.42
  5. Step 5: Solve for x
    x = 105,855,527.42/13,309.56
  6. Step 6: Final answer
    x = 7,953.35

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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.