Home / 10,291.49-15,437.31-2,896.70

Finding the Fourth Proportional to 10,291.49, 15,437.31 and 2,896.70

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Solution

The fourth proportional to 10,291.49, 15,437.31 and 2,896.70 is: 4,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.49 : 15,437.31 = 2,896.70 : x
  2. Step 2: Convert to fraction form
    10,291.49/15,437.31 = 2,896.70/x
  3. Step 3: Cross multiply
    10,291.49x = 15,437.31 × 2,896.70
  4. Step 4: Simplify right side
    10,291.49x = 44,717,164.21
  5. Step 5: Solve for x
    x = 44,717,164.21/10,291.49
  6. Step 6: Final answer
    x = 4,345.06

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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.