Home / 9,054.19-13,519.34-8,111.05

Finding the Fourth Proportional to 9,054.19, 13,519.34 and 8,111.05

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Solution

The fourth proportional to 9,054.19, 13,519.34 and 8,111.05 is: 12,111.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,054.19 : 13,519.34 = 8,111.05 : x
  2. Step 2: Convert to fraction form
    9,054.19/13,519.34 = 8,111.05/x
  3. Step 3: Cross multiply
    9,054.19x = 13,519.34 × 8,111.05
  4. Step 4: Simplify right side
    9,054.19x = 109,655,975.11
  5. Step 5: Solve for x
    x = 109,655,975.11/9,054.19
  6. Step 6: Final answer
    x = 12,111.08

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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.