Home / 19,012.20-28,523.16-7,322.28

Finding the Fourth Proportional to 19,012.20, 28,523.16 and 7,322.28

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Solution

The fourth proportional to 19,012.20, 28,523.16 and 7,322.28 is: 10,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.20 : 28,523.16 = 7,322.28 : x
  2. Step 2: Convert to fraction form
    19,012.20/28,523.16 = 7,322.28/x
  3. Step 3: Cross multiply
    19,012.20x = 28,523.16 × 7,322.28
  4. Step 4: Simplify right side
    19,012.20x = 208,854,564.00
  5. Step 5: Solve for x
    x = 208,854,564.00/19,012.20
  6. Step 6: Final answer
    x = 10,985.29

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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.