Home / 21,147.36-31,715.52-6,352.32

Finding the Fourth Proportional to 21,147.36, 31,715.52 and 6,352.32

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Solution

The fourth proportional to 21,147.36, 31,715.52 and 6,352.32 is: 9,526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,147.36 : 31,715.52 = 6,352.32 : x
  2. Step 2: Convert to fraction form
    21,147.36/31,715.52 = 6,352.32/x
  3. Step 3: Cross multiply
    21,147.36x = 31,715.52 × 6,352.32
  4. Step 4: Simplify right side
    21,147.36x = 201,467,132.01
  5. Step 5: Solve for x
    x = 201,467,132.01/21,147.36
  6. Step 6: Final answer
    x = 9,526.82

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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.