Home / 13,102.14-18,075.60-8,064.84

Finding the Fourth Proportional to 13,102.14, 18,075.60 and 8,064.84

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Solution

The fourth proportional to 13,102.14, 18,075.60 and 8,064.84 is: 11,126.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102.14 : 18,075.60 = 8,064.84 : x
  2. Step 2: Convert to fraction form
    13,102.14/18,075.60 = 8,064.84/x
  3. Step 3: Cross multiply
    13,102.14x = 18,075.60 × 8,064.84
  4. Step 4: Simplify right side
    13,102.14x = 145,776,821.90
  5. Step 5: Solve for x
    x = 145,776,821.90/13,102.14
  6. Step 6: Final answer
    x = 11,126.18

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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.