Home / 13,899.21-19,176.16-7,926.58

Finding the Fourth Proportional to 13,899.21, 19,176.16 and 7,926.58

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Solution

The fourth proportional to 13,899.21, 19,176.16 and 7,926.58 is: 10,935.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.21 : 19,176.16 = 7,926.58 : x
  2. Step 2: Convert to fraction form
    13,899.21/19,176.16 = 7,926.58/x
  3. Step 3: Cross multiply
    13,899.21x = 19,176.16 × 7,926.58
  4. Step 4: Simplify right side
    13,899.21x = 152,001,277.48
  5. Step 5: Solve for x
    x = 152,001,277.48/13,899.21
  6. Step 6: Final answer
    x = 10,935.96

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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.