Home / 13,392.68-20,075.24-9,011.39

Finding the Fourth Proportional to 13,392.68, 20,075.24 and 9,011.39

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Solution

The fourth proportional to 13,392.68, 20,075.24 and 9,011.39 is: 13,507.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.68 : 20,075.24 = 9,011.39 : x
  2. Step 2: Convert to fraction form
    13,392.68/20,075.24 = 9,011.39/x
  3. Step 3: Cross multiply
    13,392.68x = 20,075.24 × 9,011.39
  4. Step 4: Simplify right side
    13,392.68x = 180,905,739.14
  5. Step 5: Solve for x
    x = 180,905,739.14/13,392.68
  6. Step 6: Final answer
    x = 13,507.81

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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.