Home / 10,364.88-14,310.90-6,387.24

Finding the Fourth Proportional to 10,364.88, 14,310.90 and 6,387.24

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Solution

The fourth proportional to 10,364.88, 14,310.90 and 6,387.24 is: 8,818.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.88 : 14,310.90 = 6,387.24 : x
  2. Step 2: Convert to fraction form
    10,364.88/14,310.90 = 6,387.24/x
  3. Step 3: Cross multiply
    10,364.88x = 14,310.90 × 6,387.24
  4. Step 4: Simplify right side
    10,364.88x = 91,407,152.92
  5. Step 5: Solve for x
    x = 91,407,152.92/10,364.88
  6. Step 6: Final answer
    x = 8,818.93

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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.