Home / 14,288.24-19,717.80-8,000.72

Finding the Fourth Proportional to 14,288.24, 19,717.80 and 8,000.72

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Solution

The fourth proportional to 14,288.24, 19,717.80 and 8,000.72 is: 11,041.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.24 : 19,717.80 = 8,000.72 : x
  2. Step 2: Convert to fraction form
    14,288.24/19,717.80 = 8,000.72/x
  3. Step 3: Cross multiply
    14,288.24x = 19,717.80 × 8,000.72
  4. Step 4: Simplify right side
    14,288.24x = 157,756,596.82
  5. Step 5: Solve for x
    x = 157,756,596.82/14,288.24
  6. Step 6: Final answer
    x = 11,041.01

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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.