Home / 13,082.70-18,053.34-7,114.32

Finding the Fourth Proportional to 13,082.70, 18,053.34 and 7,114.32

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Solution

The fourth proportional to 13,082.70, 18,053.34 and 7,114.32 is: 9,817.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.70 : 18,053.34 = 7,114.32 : x
  2. Step 2: Convert to fraction form
    13,082.70/18,053.34 = 7,114.32/x
  3. Step 3: Cross multiply
    13,082.70x = 18,053.34 × 7,114.32
  4. Step 4: Simplify right side
    13,082.70x = 128,437,237.83
  5. Step 5: Solve for x
    x = 128,437,237.83/13,082.70
  6. Step 6: Final answer
    x = 9,817.33

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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.