Home / 13,107.53-19,665.32-7,848.47

Finding the Fourth Proportional to 13,107.53, 19,665.32 and 7,848.47

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Solution

The fourth proportional to 13,107.53, 19,665.32 and 7,848.47 is: 11,775.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.53 : 19,665.32 = 7,848.47 : x
  2. Step 2: Convert to fraction form
    13,107.53/19,665.32 = 7,848.47/x
  3. Step 3: Cross multiply
    13,107.53x = 19,665.32 × 7,848.47
  4. Step 4: Simplify right side
    13,107.53x = 154,342,536.49
  5. Step 5: Solve for x
    x = 154,342,536.49/13,107.53
  6. Step 6: Final answer
    x = 11,775.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.