Home / 12,907.24-19,363.72-4,587.76

Finding the Fourth Proportional to 12,907.24, 19,363.72 and 4,587.76

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Solution

The fourth proportional to 12,907.24, 19,363.72 and 4,587.76 is: 6,882.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907.24 : 19,363.72 = 4,587.76 : x
  2. Step 2: Convert to fraction form
    12,907.24/19,363.72 = 4,587.76/x
  3. Step 3: Cross multiply
    12,907.24x = 19,363.72 × 4,587.76
  4. Step 4: Simplify right side
    12,907.24x = 88,836,100.07
  5. Step 5: Solve for x
    x = 88,836,100.07/12,907.24
  6. Step 6: Final answer
    x = 6,882.66

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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.