Home / 10,820.43-14,930.06-6,345.59

Finding the Fourth Proportional to 10,820.43, 14,930.06 and 6,345.59

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Solution

The fourth proportional to 10,820.43, 14,930.06 and 6,345.59 is: 8,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.43 : 14,930.06 = 6,345.59 : x
  2. Step 2: Convert to fraction form
    10,820.43/14,930.06 = 6,345.59/x
  3. Step 3: Cross multiply
    10,820.43x = 14,930.06 × 6,345.59
  4. Step 4: Simplify right side
    10,820.43x = 94,739,933.06
  5. Step 5: Solve for x
    x = 94,739,933.06/10,820.43
  6. Step 6: Final answer
    x = 8,755.65

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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.