Home / 14,288.83-21,447.05-6,898.48

Finding the Fourth Proportional to 14,288.83, 21,447.05 and 6,898.48

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Solution

The fourth proportional to 14,288.83, 21,447.05 and 6,898.48 is: 10,354.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.83 : 21,447.05 = 6,898.48 : x
  2. Step 2: Convert to fraction form
    14,288.83/21,447.05 = 6,898.48/x
  3. Step 3: Cross multiply
    14,288.83x = 21,447.05 × 6,898.48
  4. Step 4: Simplify right side
    14,288.83x = 147,952,045.48
  5. Step 5: Solve for x
    x = 147,952,045.48/14,288.83
  6. Step 6: Final answer
    x = 10,354.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.