Home / 14,130.68-21,184.74-7,107.08

Finding the Fourth Proportional to 14,130.68, 21,184.74 and 7,107.08

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Solution

The fourth proportional to 14,130.68, 21,184.74 and 7,107.08 is: 10,654.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.68 : 21,184.74 = 7,107.08 : x
  2. Step 2: Convert to fraction form
    14,130.68/21,184.74 = 7,107.08/x
  3. Step 3: Cross multiply
    14,130.68x = 21,184.74 × 7,107.08
  4. Step 4: Simplify right side
    14,130.68x = 150,561,536.04
  5. Step 5: Solve for x
    x = 150,561,536.04/14,130.68
  6. Step 6: Final answer
    x = 10,654.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.