Home / 13,803.40-20,705.10-4,568.20

Finding the Fourth Proportional to 13,803.40, 20,705.10 and 4,568.20

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Solution

The fourth proportional to 13,803.40, 20,705.10 and 4,568.20 is: 6,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.40 : 20,705.10 = 4,568.20 : x
  2. Step 2: Convert to fraction form
    13,803.40/20,705.10 = 4,568.20/x
  3. Step 3: Cross multiply
    13,803.40x = 20,705.10 × 4,568.20
  4. Step 4: Simplify right side
    13,803.40x = 94,585,037.82
  5. Step 5: Solve for x
    x = 94,585,037.82/13,803.40
  6. Step 6: Final answer
    x = 6,852.30

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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.