Home / 11,945.95-16,466.49-10,981.24

Finding the Fourth Proportional to 11,945.95, 16,466.49 and 10,981.24

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Solution

The fourth proportional to 11,945.95, 16,466.49 and 10,981.24 is: 15,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.95 : 16,466.49 = 10,981.24 : x
  2. Step 2: Convert to fraction form
    11,945.95/16,466.49 = 10,981.24/x
  3. Step 3: Cross multiply
    11,945.95x = 16,466.49 × 10,981.24
  4. Step 4: Simplify right side
    11,945.95x = 180,822,437.48
  5. Step 5: Solve for x
    x = 180,822,437.48/11,945.95
  6. Step 6: Final answer
    x = 15,136.72

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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.