Home / 12,126.02-16,736.20-7,590.80

Finding the Fourth Proportional to 12,126.02, 16,736.20 and 7,590.80

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Solution

The fourth proportional to 12,126.02, 16,736.20 and 7,590.80 is: 10,476.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126.02 : 16,736.20 = 7,590.80 : x
  2. Step 2: Convert to fraction form
    12,126.02/16,736.20 = 7,590.80/x
  3. Step 3: Cross multiply
    12,126.02x = 16,736.20 × 7,590.80
  4. Step 4: Simplify right side
    12,126.02x = 127,041,146.96
  5. Step 5: Solve for x
    x = 127,041,146.96/12,126.02
  6. Step 6: Final answer
    x = 10,476.74

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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.