Home / 10,106.80-15,162.24-4,263.40

Finding the Fourth Proportional to 10,106.80, 15,162.24 and 4,263.40

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Solution

The fourth proportional to 10,106.80, 15,162.24 and 4,263.40 is: 6,395.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.80 : 15,162.24 = 4,263.40 : x
  2. Step 2: Convert to fraction form
    10,106.80/15,162.24 = 4,263.40/x
  3. Step 3: Cross multiply
    10,106.80x = 15,162.24 × 4,263.40
  4. Step 4: Simplify right side
    10,106.80x = 64,642,694.02
  5. Step 5: Solve for x
    x = 64,642,694.02/10,106.80
  6. Step 6: Final answer
    x = 6,395.96

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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.