Home / 10,835.20-14,935.08-9,085.60

Finding the Fourth Proportional to 10,835.20, 14,935.08 and 9,085.60

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Solution

The fourth proportional to 10,835.20, 14,935.08 and 9,085.60 is: 12,523.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,835.20 : 14,935.08 = 9,085.60 : x
  2. Step 2: Convert to fraction form
    10,835.20/14,935.08 = 9,085.60/x
  3. Step 3: Cross multiply
    10,835.20x = 14,935.08 × 9,085.60
  4. Step 4: Simplify right side
    10,835.20x = 135,694,162.85
  5. Step 5: Solve for x
    x = 135,694,162.85/10,835.20
  6. Step 6: Final answer
    x = 12,523.46

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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.