Home / 21,549.84-29,735.88-12,598.80

Finding the Fourth Proportional to 21,549.84, 29,735.88 and 12,598.80

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Solution

The fourth proportional to 21,549.84, 29,735.88 and 12,598.80 is: 17,384.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,549.84 : 29,735.88 = 12,598.80 : x
  2. Step 2: Convert to fraction form
    21,549.84/29,735.88 = 12,598.80/x
  3. Step 3: Cross multiply
    21,549.84x = 29,735.88 × 12,598.80
  4. Step 4: Simplify right side
    21,549.84x = 374,636,404.94
  5. Step 5: Solve for x
    x = 374,636,404.94/21,549.84
  6. Step 6: Final answer
    x = 17,384.65

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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.