Home / 14,133.88-19,505.64-8,167.06

Finding the Fourth Proportional to 14,133.88, 19,505.64 and 8,167.06

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Solution

The fourth proportional to 14,133.88, 19,505.64 and 8,167.06 is: 11,271.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.88 : 19,505.64 = 8,167.06 : x
  2. Step 2: Convert to fraction form
    14,133.88/19,505.64 = 8,167.06/x
  3. Step 3: Cross multiply
    14,133.88x = 19,505.64 × 8,167.06
  4. Step 4: Simplify right side
    14,133.88x = 159,303,732.22
  5. Step 5: Solve for x
    x = 159,303,732.22/14,133.88
  6. Step 6: Final answer
    x = 11,271.05

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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.