Home / 10,690.12-14,753.46-6,714.28

Finding the Fourth Proportional to 10,690.12, 14,753.46 and 6,714.28

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Solution

The fourth proportional to 10,690.12, 14,753.46 and 6,714.28 is: 9,266.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.12 : 14,753.46 = 6,714.28 : x
  2. Step 2: Convert to fraction form
    10,690.12/14,753.46 = 6,714.28/x
  3. Step 3: Cross multiply
    10,690.12x = 14,753.46 × 6,714.28
  4. Step 4: Simplify right side
    10,690.12x = 99,058,861.41
  5. Step 5: Solve for x
    x = 99,058,861.41/10,690.12
  6. Step 6: Final answer
    x = 9,266.39

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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.