Home / 14,289.66-19,726.89-8,989.83

Finding the Fourth Proportional to 14,289.66, 19,726.89 and 8,989.83

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Solution

The fourth proportional to 14,289.66, 19,726.89 and 8,989.83 is: 12,410.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.66 : 19,726.89 = 8,989.83 : x
  2. Step 2: Convert to fraction form
    14,289.66/19,726.89 = 8,989.83/x
  3. Step 3: Cross multiply
    14,289.66x = 19,726.89 × 8,989.83
  4. Step 4: Simplify right side
    14,289.66x = 177,341,387.53
  5. Step 5: Solve for x
    x = 177,341,387.53/14,289.66
  6. Step 6: Final answer
    x = 12,410.47

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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.