Home / 21,059.45-31,588.87-6,268.45

Finding the Fourth Proportional to 21,059.45, 31,588.87 and 6,268.45

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Solution

The fourth proportional to 21,059.45, 31,588.87 and 6,268.45 is: 9,402.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,059.45 : 31,588.87 = 6,268.45 : x
  2. Step 2: Convert to fraction form
    21,059.45/31,588.87 = 6,268.45/x
  3. Step 3: Cross multiply
    21,059.45x = 31,588.87 × 6,268.45
  4. Step 4: Simplify right side
    21,059.45x = 198,013,252.15
  5. Step 5: Solve for x
    x = 198,013,252.15/21,059.45
  6. Step 6: Final answer
    x = 9,402.58

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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.