Home / 10,612.96-14,646.30-7,262.80

Finding the Fourth Proportional to 10,612.96, 14,646.30 and 7,262.80

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Solution

The fourth proportional to 10,612.96, 14,646.30 and 7,262.80 is: 10,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.96 : 14,646.30 = 7,262.80 : x
  2. Step 2: Convert to fraction form
    10,612.96/14,646.30 = 7,262.80/x
  3. Step 3: Cross multiply
    10,612.96x = 14,646.30 × 7,262.80
  4. Step 4: Simplify right side
    10,612.96x = 106,373,147.64
  5. Step 5: Solve for x
    x = 106,373,147.64/10,612.96
  6. Step 6: Final answer
    x = 10,022.95

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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.