Home / 12,970.00-19,455.37-5,072.19

Finding the Fourth Proportional to 12,970.00, 19,455.37 and 5,072.19

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Solution

The fourth proportional to 12,970.00, 19,455.37 and 5,072.19 is: 7,608.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,970.00 : 19,455.37 = 5,072.19 : x
  2. Step 2: Convert to fraction form
    12,970.00/19,455.37 = 5,072.19/x
  3. Step 3: Cross multiply
    12,970.00x = 19,455.37 × 5,072.19
  4. Step 4: Simplify right side
    12,970.00x = 98,681,320.48
  5. Step 5: Solve for x
    x = 98,681,320.48/12,970.00
  6. Step 6: Final answer
    x = 7,608.43

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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.