Home / 13,075.55-18,044.45-7,107.22

Finding the Fourth Proportional to 13,075.55, 18,044.45 and 7,107.22

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Solution

The fourth proportional to 13,075.55, 18,044.45 and 7,107.22 is: 9,808.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.55 : 18,044.45 = 7,107.22 : x
  2. Step 2: Convert to fraction form
    13,075.55/18,044.45 = 7,107.22/x
  3. Step 3: Cross multiply
    13,075.55x = 18,044.45 × 7,107.22
  4. Step 4: Simplify right side
    13,075.55x = 128,245,795.28
  5. Step 5: Solve for x
    x = 128,245,795.28/13,075.55
  6. Step 6: Final answer
    x = 9,808.06

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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.