Home / 14,422.50-19,903.37-8,134.88

Finding the Fourth Proportional to 14,422.50, 19,903.37 and 8,134.88

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Solution

The fourth proportional to 14,422.50, 19,903.37 and 8,134.88 is: 11,226.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.50 : 19,903.37 = 8,134.88 : x
  2. Step 2: Convert to fraction form
    14,422.50/19,903.37 = 8,134.88/x
  3. Step 3: Cross multiply
    14,422.50x = 19,903.37 × 8,134.88
  4. Step 4: Simplify right side
    14,422.50x = 161,911,386.35
  5. Step 5: Solve for x
    x = 161,911,386.35/14,422.50
  6. Step 6: Final answer
    x = 11,226.31

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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.