Home / 10,500.25-14,490.36-6,309.31

Finding the Fourth Proportional to 10,500.25, 14,490.36 and 6,309.31

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Solution

The fourth proportional to 10,500.25, 14,490.36 and 6,309.31 is: 8,706.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.25 : 14,490.36 = 6,309.31 : x
  2. Step 2: Convert to fraction form
    10,500.25/14,490.36 = 6,309.31/x
  3. Step 3: Cross multiply
    10,500.25x = 14,490.36 × 6,309.31
  4. Step 4: Simplify right side
    10,500.25x = 91,424,173.25
  5. Step 5: Solve for x
    x = 91,424,173.25/10,500.25
  6. Step 6: Final answer
    x = 8,706.86

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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.