Home / 11,477.12-15,838.62-6,372.50

Finding the Fourth Proportional to 11,477.12, 15,838.62 and 6,372.50

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Solution

The fourth proportional to 11,477.12, 15,838.62 and 6,372.50 is: 8,794.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.12 : 15,838.62 = 6,372.50 : x
  2. Step 2: Convert to fraction form
    11,477.12/15,838.62 = 6,372.50/x
  3. Step 3: Cross multiply
    11,477.12x = 15,838.62 × 6,372.50
  4. Step 4: Simplify right side
    11,477.12x = 100,931,605.95
  5. Step 5: Solve for x
    x = 100,931,605.95/11,477.12
  6. Step 6: Final answer
    x = 8,794.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.