Home / 14,439.45-21,617.26-8,417.15

Finding the Fourth Proportional to 14,439.45, 21,617.26 and 8,417.15

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Solution

The fourth proportional to 14,439.45, 21,617.26 and 8,417.15 is: 12,601.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.45 : 21,617.26 = 8,417.15 : x
  2. Step 2: Convert to fraction form
    14,439.45/21,617.26 = 8,417.15/x
  3. Step 3: Cross multiply
    14,439.45x = 21,617.26 × 8,417.15
  4. Step 4: Simplify right side
    14,439.45x = 181,955,720.01
  5. Step 5: Solve for x
    x = 181,955,720.01/14,439.45
  6. Step 6: Final answer
    x = 12,601.29

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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.