Home / 12,973.25-19,458.97-7,409.16

Finding the Fourth Proportional to 12,973.25, 19,458.97 and 7,409.16

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Solution

The fourth proportional to 12,973.25, 19,458.97 and 7,409.16 is: 11,113.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973.25 : 19,458.97 = 7,409.16 : x
  2. Step 2: Convert to fraction form
    12,973.25/19,458.97 = 7,409.16/x
  3. Step 3: Cross multiply
    12,973.25x = 19,458.97 × 7,409.16
  4. Step 4: Simplify right side
    12,973.25x = 144,174,622.17
  5. Step 5: Solve for x
    x = 144,174,622.17/12,973.25
  6. Step 6: Final answer
    x = 11,113.22

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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.