Home / 10,644.09-14,689.14-6,393.72

Finding the Fourth Proportional to 10,644.09, 14,689.14 and 6,393.72

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Solution

The fourth proportional to 10,644.09, 14,689.14 and 6,393.72 is: 8,823.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.09 : 14,689.14 = 6,393.72 : x
  2. Step 2: Convert to fraction form
    10,644.09/14,689.14 = 6,393.72/x
  3. Step 3: Cross multiply
    10,644.09x = 14,689.14 × 6,393.72
  4. Step 4: Simplify right side
    10,644.09x = 93,918,248.20
  5. Step 5: Solve for x
    x = 93,918,248.20/10,644.09
  6. Step 6: Final answer
    x = 8,823.51

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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.