Home / 10,161.84-15,240.24-6,895.20

Finding the Fourth Proportional to 10,161.84, 15,240.24 and 6,895.20

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Solution

The fourth proportional to 10,161.84, 15,240.24 and 6,895.20 is: 10,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.84 : 15,240.24 = 6,895.20 : x
  2. Step 2: Convert to fraction form
    10,161.84/15,240.24 = 6,895.20/x
  3. Step 3: Cross multiply
    10,161.84x = 15,240.24 × 6,895.20
  4. Step 4: Simplify right side
    10,161.84x = 105,084,502.85
  5. Step 5: Solve for x
    x = 105,084,502.85/10,161.84
  6. Step 6: Final answer
    x = 10,341.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.