Home / 14,718.79-20,305.93-8,344.03

Finding the Fourth Proportional to 14,718.79, 20,305.93 and 8,344.03

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Solution

The fourth proportional to 14,718.79, 20,305.93 and 8,344.03 is: 11,511.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.79 : 20,305.93 = 8,344.03 : x
  2. Step 2: Convert to fraction form
    14,718.79/20,305.93 = 8,344.03/x
  3. Step 3: Cross multiply
    14,718.79x = 20,305.93 × 8,344.03
  4. Step 4: Simplify right side
    14,718.79x = 169,433,289.10
  5. Step 5: Solve for x
    x = 169,433,289.10/14,718.79
  6. Step 6: Final answer
    x = 11,511.36

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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.