Home / 14,672.32-21,989.61-6,661.24

Finding the Fourth Proportional to 14,672.32, 21,989.61 and 6,661.24

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Solution

The fourth proportional to 14,672.32, 21,989.61 and 6,661.24 is: 9,983.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.32 : 21,989.61 = 6,661.24 : x
  2. Step 2: Convert to fraction form
    14,672.32/21,989.61 = 6,661.24/x
  3. Step 3: Cross multiply
    14,672.32x = 21,989.61 × 6,661.24
  4. Step 4: Simplify right side
    14,672.32x = 146,478,014.74
  5. Step 5: Solve for x
    x = 146,478,014.74/14,672.32
  6. Step 6: Final answer
    x = 9,983.29

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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.