Home / 9,051.09-13,561.86-8,705.12

Finding the Fourth Proportional to 9,051.09, 13,561.86 and 8,705.12

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Solution

The fourth proportional to 9,051.09, 13,561.86 and 8,705.12 is: 13,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.09 : 13,561.86 = 8,705.12 : x
  2. Step 2: Convert to fraction form
    9,051.09/13,561.86 = 8,705.12/x
  3. Step 3: Cross multiply
    9,051.09x = 13,561.86 × 8,705.12
  4. Step 4: Simplify right side
    9,051.09x = 118,057,586.39
  5. Step 5: Solve for x
    x = 118,057,586.39/9,051.09
  6. Step 6: Final answer
    x = 13,043.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.