Home / 20,504.36-30,756.47-7,357.65

Finding the Fourth Proportional to 20,504.36, 30,756.47 and 7,357.65

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Solution

The fourth proportional to 20,504.36, 30,756.47 and 7,357.65 is: 11,036.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,504.36 : 30,756.47 = 7,357.65 : x
  2. Step 2: Convert to fraction form
    20,504.36/30,756.47 = 7,357.65/x
  3. Step 3: Cross multiply
    20,504.36x = 30,756.47 × 7,357.65
  4. Step 4: Simplify right side
    20,504.36x = 226,295,304.71
  5. Step 5: Solve for x
    x = 226,295,304.71/20,504.36
  6. Step 6: Final answer
    x = 11,036.45

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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.