Home / 12,631.52-18,946.01-3,866.51

Finding the Fourth Proportional to 12,631.52, 18,946.01 and 3,866.51

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Solution

The fourth proportional to 12,631.52, 18,946.01 and 3,866.51 is: 5,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631.52 : 18,946.01 = 3,866.51 : x
  2. Step 2: Convert to fraction form
    12,631.52/18,946.01 = 3,866.51/x
  3. Step 3: Cross multiply
    12,631.52x = 18,946.01 × 3,866.51
  4. Step 4: Simplify right side
    12,631.52x = 73,254,852.06
  5. Step 5: Solve for x
    x = 73,254,852.06/12,631.52
  6. Step 6: Final answer
    x = 5,799.37

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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.