Home / 10,315.40-14,234.27-6,335.87

Finding the Fourth Proportional to 10,315.40, 14,234.27 and 6,335.87

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Solution

The fourth proportional to 10,315.40, 14,234.27 and 6,335.87 is: 8,742.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.40 : 14,234.27 = 6,335.87 : x
  2. Step 2: Convert to fraction form
    10,315.40/14,234.27 = 6,335.87/x
  3. Step 3: Cross multiply
    10,315.40x = 14,234.27 × 6,335.87
  4. Step 4: Simplify right side
    10,315.40x = 90,186,381.41
  5. Step 5: Solve for x
    x = 90,186,381.41/10,315.40
  6. Step 6: Final answer
    x = 8,742.89

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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.