Home / 10,860.49-14,989.82-6,612.96

Finding the Fourth Proportional to 10,860.49, 14,989.82 and 6,612.96

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Solution

The fourth proportional to 10,860.49, 14,989.82 and 6,612.96 is: 9,127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.49 : 14,989.82 = 6,612.96 : x
  2. Step 2: Convert to fraction form
    10,860.49/14,989.82 = 6,612.96/x
  3. Step 3: Cross multiply
    10,860.49x = 14,989.82 × 6,612.96
  4. Step 4: Simplify right side
    10,860.49x = 99,127,056.09
  5. Step 5: Solve for x
    x = 99,127,056.09/10,860.49
  6. Step 6: Final answer
    x = 9,127.31

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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.