Home / 10,829.22-14,930.90-8,948.40

Finding the Fourth Proportional to 10,829.22, 14,930.90 and 8,948.40

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Solution

The fourth proportional to 10,829.22, 14,930.90 and 8,948.40 is: 12,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,829.22 : 14,930.90 = 8,948.40 : x
  2. Step 2: Convert to fraction form
    10,829.22/14,930.90 = 8,948.40/x
  3. Step 3: Cross multiply
    10,829.22x = 14,930.90 × 8,948.40
  4. Step 4: Simplify right side
    10,829.22x = 133,607,665.56
  5. Step 5: Solve for x
    x = 133,607,665.56/10,829.22
  6. Step 6: Final answer
    x = 12,337.70

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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.