Home / 12,263.49-16,910.64-11,264.76

Finding the Fourth Proportional to 12,263.49, 16,910.64 and 11,264.76

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Solution

The fourth proportional to 12,263.49, 16,910.64 and 11,264.76 is: 15,533.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.49 : 16,910.64 = 11,264.76 : x
  2. Step 2: Convert to fraction form
    12,263.49/16,910.64 = 11,264.76/x
  3. Step 3: Cross multiply
    12,263.49x = 16,910.64 × 11,264.76
  4. Step 4: Simplify right side
    12,263.49x = 190,494,301.05
  5. Step 5: Solve for x
    x = 190,494,301.05/12,263.49
  6. Step 6: Final answer
    x = 15,533.45

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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.