Home / 20,263.61-30,396.95-5,472.32

Finding the Fourth Proportional to 20,263.61, 30,396.95 and 5,472.32

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Solution

The fourth proportional to 20,263.61, 30,396.95 and 5,472.32 is: 8,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.61 : 30,396.95 = 5,472.32 : x
  2. Step 2: Convert to fraction form
    20,263.61/30,396.95 = 5,472.32/x
  3. Step 3: Cross multiply
    20,263.61x = 30,396.95 × 5,472.32
  4. Step 4: Simplify right side
    20,263.61x = 166,341,699.12
  5. Step 5: Solve for x
    x = 166,341,699.12/20,263.61
  6. Step 6: Final answer
    x = 8,208.89

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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.