Home / 10,263.42-15,396.75-4,421.70

Finding the Fourth Proportional to 10,263.42, 15,396.75 and 4,421.70

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Solution

The fourth proportional to 10,263.42, 15,396.75 and 4,421.70 is: 6,633.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.42 : 15,396.75 = 4,421.70 : x
  2. Step 2: Convert to fraction form
    10,263.42/15,396.75 = 4,421.70/x
  3. Step 3: Cross multiply
    10,263.42x = 15,396.75 × 4,421.70
  4. Step 4: Simplify right side
    10,263.42x = 68,079,809.48
  5. Step 5: Solve for x
    x = 68,079,809.48/10,263.42
  6. Step 6: Final answer
    x = 6,633.25

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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.