Home / 12,973.09-19,467.51-5,181.25

Finding the Fourth Proportional to 12,973.09, 19,467.51 and 5,181.25

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Solution

The fourth proportional to 12,973.09, 19,467.51 and 5,181.25 is: 7,775.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973.09 : 19,467.51 = 5,181.25 : x
  2. Step 2: Convert to fraction form
    12,973.09/19,467.51 = 5,181.25/x
  3. Step 3: Cross multiply
    12,973.09x = 19,467.51 × 5,181.25
  4. Step 4: Simplify right side
    12,973.09x = 100,866,036.19
  5. Step 5: Solve for x
    x = 100,866,036.19/12,973.09
  6. Step 6: Final answer
    x = 7,775.02

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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.