Home / 10,320.88-14,235.46-6,344.16

Finding the Fourth Proportional to 10,320.88, 14,235.46 and 6,344.16

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Solution

The fourth proportional to 10,320.88, 14,235.46 and 6,344.16 is: 8,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.88 : 14,235.46 = 6,344.16 : x
  2. Step 2: Convert to fraction form
    10,320.88/14,235.46 = 6,344.16/x
  3. Step 3: Cross multiply
    10,320.88x = 14,235.46 × 6,344.16
  4. Step 4: Simplify right side
    10,320.88x = 90,312,035.91
  5. Step 5: Solve for x
    x = 90,312,035.91/10,320.88
  6. Step 6: Final answer
    x = 8,750.42

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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.