Home / 10,207.57-15,315.73-4,285.96

Finding the Fourth Proportional to 10,207.57, 15,315.73 and 4,285.96

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Solution

The fourth proportional to 10,207.57, 15,315.73 and 4,285.96 is: 6,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.57 : 15,315.73 = 4,285.96 : x
  2. Step 2: Convert to fraction form
    10,207.57/15,315.73 = 4,285.96/x
  3. Step 3: Cross multiply
    10,207.57x = 15,315.73 × 4,285.96
  4. Step 4: Simplify right side
    10,207.57x = 65,642,667.41
  5. Step 5: Solve for x
    x = 65,642,667.41/10,207.57
  6. Step 6: Final answer
    x = 6,430.78

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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.