Home / 21,435.84-32,151.64-7,394.48

Finding the Fourth Proportional to 21,435.84, 32,151.64 and 7,394.48

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Solution

The fourth proportional to 21,435.84, 32,151.64 and 7,394.48 is: 11,090.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,435.84 : 32,151.64 = 7,394.48 : x
  2. Step 2: Convert to fraction form
    21,435.84/32,151.64 = 7,394.48/x
  3. Step 3: Cross multiply
    21,435.84x = 32,151.64 × 7,394.48
  4. Step 4: Simplify right side
    21,435.84x = 237,744,658.95
  5. Step 5: Solve for x
    x = 237,744,658.95/21,435.84
  6. Step 6: Final answer
    x = 11,090.99

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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.