Home / 7,918.98-11,811.50-7,462.14

Finding the Fourth Proportional to 7,918.98, 11,811.50 and 7,462.14

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Solution

The fourth proportional to 7,918.98, 11,811.50 and 7,462.14 is: 11,130.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.98 : 11,811.50 = 7,462.14 : x
  2. Step 2: Convert to fraction form
    7,918.98/11,811.50 = 7,462.14/x
  3. Step 3: Cross multiply
    7,918.98x = 11,811.50 × 7,462.14
  4. Step 4: Simplify right side
    7,918.98x = 88,139,029.30
  5. Step 5: Solve for x
    x = 88,139,029.30/7,918.98
  6. Step 6: Final answer
    x = 11,130.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.