Home / 10,260.93-14,159.23-5,785.78

Finding the Fourth Proportional to 10,260.93, 14,159.23 and 5,785.78

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Solution

The fourth proportional to 10,260.93, 14,159.23 and 5,785.78 is: 7,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.93 : 14,159.23 = 5,785.78 : x
  2. Step 2: Convert to fraction form
    10,260.93/14,159.23 = 5,785.78/x
  3. Step 3: Cross multiply
    10,260.93x = 14,159.23 × 5,785.78
  4. Step 4: Simplify right side
    10,260.93x = 81,922,189.75
  5. Step 5: Solve for x
    x = 81,922,189.75/10,260.93
  6. Step 6: Final answer
    x = 7,983.90

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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.