Home / 12,675.31-19,011.51-3,316.23

Finding the Fourth Proportional to 12,675.31, 19,011.51 and 3,316.23

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Solution

The fourth proportional to 12,675.31, 19,011.51 and 3,316.23 is: 4,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.31 : 19,011.51 = 3,316.23 : x
  2. Step 2: Convert to fraction form
    12,675.31/19,011.51 = 3,316.23/x
  3. Step 3: Cross multiply
    12,675.31x = 19,011.51 × 3,316.23
  4. Step 4: Simplify right side
    12,675.31x = 63,046,535.66
  5. Step 5: Solve for x
    x = 63,046,535.66/12,675.31
  6. Step 6: Final answer
    x = 4,973.96

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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.