Home / 9,053.69-13,518.60-8,110.55

Finding the Fourth Proportional to 9,053.69, 13,518.60 and 8,110.55

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Solution

The fourth proportional to 9,053.69, 13,518.60 and 8,110.55 is: 12,110.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,053.69 : 13,518.60 = 8,110.55 : x
  2. Step 2: Convert to fraction form
    9,053.69/13,518.60 = 8,110.55/x
  3. Step 3: Cross multiply
    9,053.69x = 13,518.60 × 8,110.55
  4. Step 4: Simplify right side
    9,053.69x = 109,643,173.08
  5. Step 5: Solve for x
    x = 109,643,173.08/9,053.69
  6. Step 6: Final answer
    x = 12,110.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.