Home / 11,085.86-15,298.80-6,370.04

Finding the Fourth Proportional to 11,085.86, 15,298.80 and 6,370.04

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Solution

The fourth proportional to 11,085.86, 15,298.80 and 6,370.04 is: 8,790.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.86 : 15,298.80 = 6,370.04 : x
  2. Step 2: Convert to fraction form
    11,085.86/15,298.80 = 6,370.04/x
  3. Step 3: Cross multiply
    11,085.86x = 15,298.80 × 6,370.04
  4. Step 4: Simplify right side
    11,085.86x = 97,453,967.95
  5. Step 5: Solve for x
    x = 97,453,967.95/11,085.86
  6. Step 6: Final answer
    x = 8,790.84

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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.