Home / 11,955.66-16,488.99-10,612.25

Finding the Fourth Proportional to 11,955.66, 16,488.99 and 10,612.25

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Solution

The fourth proportional to 11,955.66, 16,488.99 and 10,612.25 is: 14,636.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.66 : 16,488.99 = 10,612.25 : x
  2. Step 2: Convert to fraction form
    11,955.66/16,488.99 = 10,612.25/x
  3. Step 3: Cross multiply
    11,955.66x = 16,488.99 × 10,612.25
  4. Step 4: Simplify right side
    11,955.66x = 174,985,231.07
  5. Step 5: Solve for x
    x = 174,985,231.07/11,955.66
  6. Step 6: Final answer
    x = 14,636.18

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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.