Home / 14,264.34-19,685.70-7,976.76

Finding the Fourth Proportional to 14,264.34, 19,685.70 and 7,976.76

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Solution

The fourth proportional to 14,264.34, 19,685.70 and 7,976.76 is: 11,008.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,264.34 : 19,685.70 = 7,976.76 : x
  2. Step 2: Convert to fraction form
    14,264.34/19,685.70 = 7,976.76/x
  3. Step 3: Cross multiply
    14,264.34x = 19,685.70 × 7,976.76
  4. Step 4: Simplify right side
    14,264.34x = 157,028,104.33
  5. Step 5: Solve for x
    x = 157,028,104.33/14,264.34
  6. Step 6: Final answer
    x = 11,008.44

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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.