Home / 13,918.13-19,207.01-7,630.50

Finding the Fourth Proportional to 13,918.13, 19,207.01 and 7,630.50

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Solution

The fourth proportional to 13,918.13, 19,207.01 and 7,630.50 is: 10,530.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.13 : 19,207.01 = 7,630.50 : x
  2. Step 2: Convert to fraction form
    13,918.13/19,207.01 = 7,630.50/x
  3. Step 3: Cross multiply
    13,918.13x = 19,207.01 × 7,630.50
  4. Step 4: Simplify right side
    13,918.13x = 146,559,108.88
  5. Step 5: Solve for x
    x = 146,559,108.88/13,918.13
  6. Step 6: Final answer
    x = 10,530.09

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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.