Home / 11,437.81-17,157.15-3,118.10

Finding the Fourth Proportional to 11,437.81, 17,157.15 and 3,118.10

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Solution

The fourth proportional to 11,437.81, 17,157.15 and 3,118.10 is: 4,677.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,437.81 : 17,157.15 = 3,118.10 : x
  2. Step 2: Convert to fraction form
    11,437.81/17,157.15 = 3,118.10/x
  3. Step 3: Cross multiply
    11,437.81x = 17,157.15 × 3,118.10
  4. Step 4: Simplify right side
    11,437.81x = 53,497,623.63
  5. Step 5: Solve for x
    x = 53,497,623.63/11,437.81
  6. Step 6: Final answer
    x = 4,677.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.