Home / 14,203.17-21,316.10-8,364.69

Finding the Fourth Proportional to 14,203.17, 21,316.10 and 8,364.69

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Solution

The fourth proportional to 14,203.17, 21,316.10 and 8,364.69 is: 12,553.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.17 : 21,316.10 = 8,364.69 : x
  2. Step 2: Convert to fraction form
    14,203.17/21,316.10 = 8,364.69/x
  3. Step 3: Cross multiply
    14,203.17x = 21,316.10 × 8,364.69
  4. Step 4: Simplify right side
    14,203.17x = 178,302,526.69
  5. Step 5: Solve for x
    x = 178,302,526.69/14,203.17
  6. Step 6: Final answer
    x = 12,553.71

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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.