Home / 11,110.78-15,332.40-6,074.77

Finding the Fourth Proportional to 11,110.78, 15,332.40 and 6,074.77

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Solution

The fourth proportional to 11,110.78, 15,332.40 and 6,074.77 is: 8,382.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.78 : 15,332.40 = 6,074.77 : x
  2. Step 2: Convert to fraction form
    11,110.78/15,332.40 = 6,074.77/x
  3. Step 3: Cross multiply
    11,110.78x = 15,332.40 × 6,074.77
  4. Step 4: Simplify right side
    11,110.78x = 93,140,803.55
  5. Step 5: Solve for x
    x = 93,140,803.55/11,110.78
  6. Step 6: Final answer
    x = 8,382.92

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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.