Home / 13,987.41-19,302.33-7,613.89

Finding the Fourth Proportional to 13,987.41, 19,302.33 and 7,613.89

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Solution

The fourth proportional to 13,987.41, 19,302.33 and 7,613.89 is: 10,507.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,987.41 : 19,302.33 = 7,613.89 : x
  2. Step 2: Convert to fraction form
    13,987.41/19,302.33 = 7,613.89/x
  3. Step 3: Cross multiply
    13,987.41x = 19,302.33 × 7,613.89
  4. Step 4: Simplify right side
    13,987.41x = 146,965,817.36
  5. Step 5: Solve for x
    x = 146,965,817.36/13,987.41
  6. Step 6: Final answer
    x = 10,507.01

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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.