Home / 14,247.50-19,663.98-7,958.66

Finding the Fourth Proportional to 14,247.50, 19,663.98 and 7,958.66

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Solution

The fourth proportional to 14,247.50, 19,663.98 and 7,958.66 is: 10,984.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.50 : 19,663.98 = 7,958.66 : x
  2. Step 2: Convert to fraction form
    14,247.50/19,663.98 = 7,958.66/x
  3. Step 3: Cross multiply
    14,247.50x = 19,663.98 × 7,958.66
  4. Step 4: Simplify right side
    14,247.50x = 156,498,931.07
  5. Step 5: Solve for x
    x = 156,498,931.07/14,247.50
  6. Step 6: Final answer
    x = 10,984.31

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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.