Home / 13,973.13-19,291.14-8,670.87

Finding the Fourth Proportional to 13,973.13, 19,291.14 and 8,670.87

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Solution

The fourth proportional to 13,973.13, 19,291.14 and 8,670.87 is: 11,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.13 : 19,291.14 = 8,670.87 : x
  2. Step 2: Convert to fraction form
    13,973.13/19,291.14 = 8,670.87/x
  3. Step 3: Cross multiply
    13,973.13x = 19,291.14 × 8,670.87
  4. Step 4: Simplify right side
    13,973.13x = 167,270,993.64
  5. Step 5: Solve for x
    x = 167,270,993.64/13,973.13
  6. Step 6: Final answer
    x = 11,970.90

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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.