Home / 10,305.19-15,457.79-2,513.94

Finding the Fourth Proportional to 10,305.19, 15,457.79 and 2,513.94

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Solution

The fourth proportional to 10,305.19, 15,457.79 and 2,513.94 is: 3,770.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.19 : 15,457.79 = 2,513.94 : x
  2. Step 2: Convert to fraction form
    10,305.19/15,457.79 = 2,513.94/x
  3. Step 3: Cross multiply
    10,305.19x = 15,457.79 × 2,513.94
  4. Step 4: Simplify right side
    10,305.19x = 38,859,956.59
  5. Step 5: Solve for x
    x = 38,859,956.59/10,305.19
  6. Step 6: Final answer
    x = 3,770.91

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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.