Home / 18,723.28-28,075.51-6,238.93

Finding the Fourth Proportional to 18,723.28, 28,075.51 and 6,238.93

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Solution

The fourth proportional to 18,723.28, 28,075.51 and 6,238.93 is: 9,355.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.28 : 28,075.51 = 6,238.93 : x
  2. Step 2: Convert to fraction form
    18,723.28/28,075.51 = 6,238.93/x
  3. Step 3: Cross multiply
    18,723.28x = 28,075.51 × 6,238.93
  4. Step 4: Simplify right side
    18,723.28x = 175,161,141.60
  5. Step 5: Solve for x
    x = 175,161,141.60/18,723.28
  6. Step 6: Final answer
    x = 9,355.26

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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.