Home / 22,288.04-30,756.38-13,340.44

Finding the Fourth Proportional to 22,288.04, 30,756.38 and 13,340.44

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Solution

The fourth proportional to 22,288.04, 30,756.38 and 13,340.44 is: 18,409.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,288.04 : 30,756.38 = 13,340.44 : x
  2. Step 2: Convert to fraction form
    22,288.04/30,756.38 = 13,340.44/x
  3. Step 3: Cross multiply
    22,288.04x = 30,756.38 × 13,340.44
  4. Step 4: Simplify right side
    22,288.04x = 410,303,642.01
  5. Step 5: Solve for x
    x = 410,303,642.01/22,288.04
  6. Step 6: Final answer
    x = 18,409.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.