Home / 12,887.27-19,328.47-4,566.95

Finding the Fourth Proportional to 12,887.27, 19,328.47 and 4,566.95

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Solution

The fourth proportional to 12,887.27, 19,328.47 and 4,566.95 is: 6,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887.27 : 19,328.47 = 4,566.95 : x
  2. Step 2: Convert to fraction form
    12,887.27/19,328.47 = 4,566.95/x
  3. Step 3: Cross multiply
    12,887.27x = 19,328.47 × 4,566.95
  4. Step 4: Simplify right side
    12,887.27x = 88,272,048.01
  5. Step 5: Solve for x
    x = 88,272,048.01/12,887.27
  6. Step 6: Final answer
    x = 6,849.56

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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.