Home / 12,254.10-18,344.70-11,533.20

Finding the Fourth Proportional to 12,254.10, 18,344.70 and 11,533.20

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Solution

The fourth proportional to 12,254.10, 18,344.70 and 11,533.20 is: 17,265.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.10 : 18,344.70 = 11,533.20 : x
  2. Step 2: Convert to fraction form
    12,254.10/18,344.70 = 11,533.20/x
  3. Step 3: Cross multiply
    12,254.10x = 18,344.70 × 11,533.20
  4. Step 4: Simplify right side
    12,254.10x = 211,573,094.04
  5. Step 5: Solve for x
    x = 211,573,094.04/12,254.10
  6. Step 6: Final answer
    x = 17,265.49

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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.