Home / 10,490.88-14,472.36-6,516.62

Finding the Fourth Proportional to 10,490.88, 14,472.36 and 6,516.62

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Solution

The fourth proportional to 10,490.88, 14,472.36 and 6,516.62 is: 8,989.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.88 : 14,472.36 = 6,516.62 : x
  2. Step 2: Convert to fraction form
    10,490.88/14,472.36 = 6,516.62/x
  3. Step 3: Cross multiply
    10,490.88x = 14,472.36 × 6,516.62
  4. Step 4: Simplify right side
    10,490.88x = 94,310,870.62
  5. Step 5: Solve for x
    x = 94,310,870.62/10,490.88
  6. Step 6: Final answer
    x = 8,989.80

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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.