Home / 11,937.95-16,491.18-11,307.39

Finding the Fourth Proportional to 11,937.95, 16,491.18 and 11,307.39

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Solution

The fourth proportional to 11,937.95, 16,491.18 and 11,307.39 is: 15,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.95 : 16,491.18 = 11,307.39 : x
  2. Step 2: Convert to fraction form
    11,937.95/16,491.18 = 11,307.39/x
  3. Step 3: Cross multiply
    11,937.95x = 16,491.18 × 11,307.39
  4. Step 4: Simplify right side
    11,937.95x = 186,472,203.82
  5. Step 5: Solve for x
    x = 186,472,203.82/11,937.95
  6. Step 6: Final answer
    x = 15,620.13

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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.