Home / 21,402.84-29,533.38-11,841.46

Finding the Fourth Proportional to 21,402.84, 29,533.38 and 11,841.46

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Solution

The fourth proportional to 21,402.84, 29,533.38 and 11,841.46 is: 16,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402.84 : 29,533.38 = 11,841.46 : x
  2. Step 2: Convert to fraction form
    21,402.84/29,533.38 = 11,841.46/x
  3. Step 3: Cross multiply
    21,402.84x = 29,533.38 × 11,841.46
  4. Step 4: Simplify right side
    21,402.84x = 349,718,402.67
  5. Step 5: Solve for x
    x = 349,718,402.67/21,402.84
  6. Step 6: Final answer
    x = 16,339.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.