Home / 14,650.96-21,988.29-8,329.72

Finding the Fourth Proportional to 14,650.96, 21,988.29 and 8,329.72

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Solution

The fourth proportional to 14,650.96, 21,988.29 and 8,329.72 is: 12,501.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.96 : 21,988.29 = 8,329.72 : x
  2. Step 2: Convert to fraction form
    14,650.96/21,988.29 = 8,329.72/x
  3. Step 3: Cross multiply
    14,650.96x = 21,988.29 × 8,329.72
  4. Step 4: Simplify right side
    14,650.96x = 183,156,298.98
  5. Step 5: Solve for x
    x = 183,156,298.98/14,650.96
  6. Step 6: Final answer
    x = 12,501.32

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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.