Home / 8,528.63-11,770.72-8,155.01

Finding the Fourth Proportional to 8,528.63, 11,770.72 and 8,155.01

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Solution

The fourth proportional to 8,528.63, 11,770.72 and 8,155.01 is: 11,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.63 : 11,770.72 = 8,155.01 : x
  2. Step 2: Convert to fraction form
    8,528.63/11,770.72 = 8,155.01/x
  3. Step 3: Cross multiply
    8,528.63x = 11,770.72 × 8,155.01
  4. Step 4: Simplify right side
    8,528.63x = 95,990,348.35
  5. Step 5: Solve for x
    x = 95,990,348.35/8,528.63
  6. Step 6: Final answer
    x = 11,255.08

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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.