Home / 9,090.06-12,550.59-6,999.18

Finding the Fourth Proportional to 9,090.06, 12,550.59 and 6,999.18

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Solution

The fourth proportional to 9,090.06, 12,550.59 and 6,999.18 is: 9,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.06 : 12,550.59 = 6,999.18 : x
  2. Step 2: Convert to fraction form
    9,090.06/12,550.59 = 6,999.18/x
  3. Step 3: Cross multiply
    9,090.06x = 12,550.59 × 6,999.18
  4. Step 4: Simplify right side
    9,090.06x = 87,843,838.52
  5. Step 5: Solve for x
    x = 87,843,838.52/9,090.06
  6. Step 6: Final answer
    x = 9,663.72

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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.