Home / 10,100.84-13,943.46-6,790.76

Finding the Fourth Proportional to 10,100.84, 13,943.46 and 6,790.76

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Solution

The fourth proportional to 10,100.84, 13,943.46 and 6,790.76 is: 9,374.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.84 : 13,943.46 = 6,790.76 : x
  2. Step 2: Convert to fraction form
    10,100.84/13,943.46 = 6,790.76/x
  3. Step 3: Cross multiply
    10,100.84x = 13,943.46 × 6,790.76
  4. Step 4: Simplify right side
    10,100.84x = 94,686,690.43
  5. Step 5: Solve for x
    x = 94,686,690.43/10,100.84
  6. Step 6: Final answer
    x = 9,374.14

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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.