Home / 10,820.25-14,931.90-6,104.49

Finding the Fourth Proportional to 10,820.25, 14,931.90 and 6,104.49

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Solution

The fourth proportional to 10,820.25, 14,931.90 and 6,104.49 is: 8,424.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.25 : 14,931.90 = 6,104.49 : x
  2. Step 2: Convert to fraction form
    10,820.25/14,931.90 = 6,104.49/x
  3. Step 3: Cross multiply
    10,820.25x = 14,931.90 × 6,104.49
  4. Step 4: Simplify right side
    10,820.25x = 91,151,634.23
  5. Step 5: Solve for x
    x = 91,151,634.23/10,820.25
  6. Step 6: Final answer
    x = 8,424.17

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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.