Home / 13,973.82-19,285.83-8,670.35

Finding the Fourth Proportional to 13,973.82, 19,285.83 and 8,670.35

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Solution

The fourth proportional to 13,973.82, 19,285.83 and 8,670.35 is: 11,966.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.82 : 19,285.83 = 8,670.35 : x
  2. Step 2: Convert to fraction form
    13,973.82/19,285.83 = 8,670.35/x
  3. Step 3: Cross multiply
    13,973.82x = 19,285.83 × 8,670.35
  4. Step 4: Simplify right side
    13,973.82x = 167,214,799.71
  5. Step 5: Solve for x
    x = 167,214,799.71/13,973.82
  6. Step 6: Final answer
    x = 11,966.29

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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.