Home / 21,332.25-31,987.85-6,537.60

Finding the Fourth Proportional to 21,332.25, 31,987.85 and 6,537.60

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Solution

The fourth proportional to 21,332.25, 31,987.85 and 6,537.60 is: 9,803.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332.25 : 31,987.85 = 6,537.60 : x
  2. Step 2: Convert to fraction form
    21,332.25/31,987.85 = 6,537.60/x
  3. Step 3: Cross multiply
    21,332.25x = 31,987.85 × 6,537.60
  4. Step 4: Simplify right side
    21,332.25x = 209,123,768.16
  5. Step 5: Solve for x
    x = 209,123,768.16/21,332.25
  6. Step 6: Final answer
    x = 9,803.17

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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.