Home / 15,668.94-21,598.55-11,876.93

Finding the Fourth Proportional to 15,668.94, 21,598.55 and 11,876.93

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Solution

The fourth proportional to 15,668.94, 21,598.55 and 11,876.93 is: 16,371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,668.94 : 21,598.55 = 11,876.93 : x
  2. Step 2: Convert to fraction form
    15,668.94/21,598.55 = 11,876.93/x
  3. Step 3: Cross multiply
    15,668.94x = 21,598.55 × 11,876.93
  4. Step 4: Simplify right side
    15,668.94x = 256,524,424.61
  5. Step 5: Solve for x
    x = 256,524,424.61/15,668.94
  6. Step 6: Final answer
    x = 16,371.52

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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.