Home / 13,459.62-18,512.46-10,801.20

Finding the Fourth Proportional to 13,459.62, 18,512.46 and 10,801.20

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Solution

The fourth proportional to 13,459.62, 18,512.46 and 10,801.20 is: 14,856.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.62 : 18,512.46 = 10,801.20 : x
  2. Step 2: Convert to fraction form
    13,459.62/18,512.46 = 10,801.20/x
  3. Step 3: Cross multiply
    13,459.62x = 18,512.46 × 10,801.20
  4. Step 4: Simplify right side
    13,459.62x = 199,956,782.95
  5. Step 5: Solve for x
    x = 199,956,782.95/13,459.62
  6. Step 6: Final answer
    x = 14,856.05

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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.