Home / 13,082.93-18,054.59-7,114.74

Finding the Fourth Proportional to 13,082.93, 18,054.59 and 7,114.74

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Solution

The fourth proportional to 13,082.93, 18,054.59 and 7,114.74 is: 9,818.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.93 : 18,054.59 = 7,114.74 : x
  2. Step 2: Convert to fraction form
    13,082.93/18,054.59 = 7,114.74/x
  3. Step 3: Cross multiply
    13,082.93x = 18,054.59 × 7,114.74
  4. Step 4: Simplify right side
    13,082.93x = 128,453,713.66
  5. Step 5: Solve for x
    x = 128,453,713.66/13,082.93
  6. Step 6: Final answer
    x = 9,818.42

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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.