Home / 14,377.10-19,840.38-8,089.47

Finding the Fourth Proportional to 14,377.10, 19,840.38 and 8,089.47

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Solution

The fourth proportional to 14,377.10, 19,840.38 and 8,089.47 is: 11,163.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,377.10 : 19,840.38 = 8,089.47 : x
  2. Step 2: Convert to fraction form
    14,377.10/19,840.38 = 8,089.47/x
  3. Step 3: Cross multiply
    14,377.10x = 19,840.38 × 8,089.47
  4. Step 4: Simplify right side
    14,377.10x = 160,498,128.46
  5. Step 5: Solve for x
    x = 160,498,128.46/14,377.10
  6. Step 6: Final answer
    x = 11,163.46

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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.