Home / 11,437.91-17,145.24-7,740.51

Finding the Fourth Proportional to 11,437.91, 17,145.24 and 7,740.51

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Solution

The fourth proportional to 11,437.91, 17,145.24 and 7,740.51 is: 11,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,437.91 : 17,145.24 = 7,740.51 : x
  2. Step 2: Convert to fraction form
    11,437.91/17,145.24 = 7,740.51/x
  3. Step 3: Cross multiply
    11,437.91x = 17,145.24 × 7,740.51
  4. Step 4: Simplify right side
    11,437.91x = 132,712,901.67
  5. Step 5: Solve for x
    x = 132,712,901.67/11,437.91
  6. Step 6: Final answer
    x = 11,602.90

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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.