Home / 21,307.19-29,400.57-12,352.84

Finding the Fourth Proportional to 21,307.19, 29,400.57 and 12,352.84

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Solution

The fourth proportional to 21,307.19, 29,400.57 and 12,352.84 is: 17,044.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,307.19 : 29,400.57 = 12,352.84 : x
  2. Step 2: Convert to fraction form
    21,307.19/29,400.57 = 12,352.84/x
  3. Step 3: Cross multiply
    21,307.19x = 29,400.57 × 12,352.84
  4. Step 4: Simplify right side
    21,307.19x = 363,180,463.62
  5. Step 5: Solve for x
    x = 363,180,463.62/21,307.19
  6. Step 6: Final answer
    x = 17,044.98

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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.