Home / 21,630.14-29,842.60-12,068.48

Finding the Fourth Proportional to 21,630.14, 29,842.60 and 12,068.48

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Solution

The fourth proportional to 21,630.14, 29,842.60 and 12,068.48 is: 16,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,630.14 : 29,842.60 = 12,068.48 : x
  2. Step 2: Convert to fraction form
    21,630.14/29,842.60 = 12,068.48/x
  3. Step 3: Cross multiply
    21,630.14x = 29,842.60 × 12,068.48
  4. Step 4: Simplify right side
    21,630.14x = 360,154,821.25
  5. Step 5: Solve for x
    x = 360,154,821.25/21,630.14
  6. Step 6: Final answer
    x = 16,650.60

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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.