Home / 10,292.41-14,203.79-6,315.72

Finding the Fourth Proportional to 10,292.41, 14,203.79 and 6,315.72

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Solution

The fourth proportional to 10,292.41, 14,203.79 and 6,315.72 is: 8,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292.41 : 14,203.79 = 6,315.72 : x
  2. Step 2: Convert to fraction form
    10,292.41/14,203.79 = 6,315.72/x
  3. Step 3: Cross multiply
    10,292.41x = 14,203.79 × 6,315.72
  4. Step 4: Simplify right side
    10,292.41x = 89,707,160.58
  5. Step 5: Solve for x
    x = 89,707,160.58/10,292.41
  6. Step 6: Final answer
    x = 8,715.86

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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.