Home / 21,559.72-32,338.86-7,708.36

Finding the Fourth Proportional to 21,559.72, 32,338.86 and 7,708.36

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Solution

The fourth proportional to 21,559.72, 32,338.86 and 7,708.36 is: 11,562.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559.72 : 32,338.86 = 7,708.36 : x
  2. Step 2: Convert to fraction form
    21,559.72/32,338.86 = 7,708.36/x
  3. Step 3: Cross multiply
    21,559.72x = 32,338.86 × 7,708.36
  4. Step 4: Simplify right side
    21,559.72x = 249,279,574.87
  5. Step 5: Solve for x
    x = 249,279,574.87/21,559.72
  6. Step 6: Final answer
    x = 11,562.28

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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.