Home / 16,976.40-23,427.36-9,422.76

Finding the Fourth Proportional to 16,976.40, 23,427.36 and 9,422.76

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Solution

The fourth proportional to 16,976.40, 23,427.36 and 9,422.76 is: 13,003.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,976.40 : 23,427.36 = 9,422.76 : x
  2. Step 2: Convert to fraction form
    16,976.40/23,427.36 = 9,422.76/x
  3. Step 3: Cross multiply
    16,976.40x = 23,427.36 × 9,422.76
  4. Step 4: Simplify right side
    16,976.40x = 220,750,390.71
  5. Step 5: Solve for x
    x = 220,750,390.71/16,976.40
  6. Step 6: Final answer
    x = 13,003.37

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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.