Home / 10,830.12-16,232.80-4,911.52

Finding the Fourth Proportional to 10,830.12, 16,232.80 and 4,911.52

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Solution

The fourth proportional to 10,830.12, 16,232.80 and 4,911.52 is: 7,361.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.12 : 16,232.80 = 4,911.52 : x
  2. Step 2: Convert to fraction form
    10,830.12/16,232.80 = 4,911.52/x
  3. Step 3: Cross multiply
    10,830.12x = 16,232.80 × 4,911.52
  4. Step 4: Simplify right side
    10,830.12x = 79,727,721.86
  5. Step 5: Solve for x
    x = 79,727,721.86/10,830.12
  6. Step 6: Final answer
    x = 7,361.67

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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.