Home / 11,741.02-16,199.40-7,551.70

Finding the Fourth Proportional to 11,741.02, 16,199.40 and 7,551.70

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Solution

The fourth proportional to 11,741.02, 16,199.40 and 7,551.70 is: 10,419.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741.02 : 16,199.40 = 7,551.70 : x
  2. Step 2: Convert to fraction form
    11,741.02/16,199.40 = 7,551.70/x
  3. Step 3: Cross multiply
    11,741.02x = 16,199.40 × 7,551.70
  4. Step 4: Simplify right side
    11,741.02x = 122,333,008.98
  5. Step 5: Solve for x
    x = 122,333,008.98/11,741.02
  6. Step 6: Final answer
    x = 10,419.28

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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.