Home / 10,085.32-13,911.28-6,504.85

Finding the Fourth Proportional to 10,085.32, 13,911.28 and 6,504.85

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Solution

The fourth proportional to 10,085.32, 13,911.28 and 6,504.85 is: 8,972.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.32 : 13,911.28 = 6,504.85 : x
  2. Step 2: Convert to fraction form
    10,085.32/13,911.28 = 6,504.85/x
  3. Step 3: Cross multiply
    10,085.32x = 13,911.28 × 6,504.85
  4. Step 4: Simplify right side
    10,085.32x = 90,490,790.83
  5. Step 5: Solve for x
    x = 90,490,790.83/10,085.32
  6. Step 6: Final answer
    x = 8,972.52

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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.