Home / 19,223.58-28,835.37-7,542.30

Finding the Fourth Proportional to 19,223.58, 28,835.37 and 7,542.30

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Solution

The fourth proportional to 19,223.58, 28,835.37 and 7,542.30 is: 11,313.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223.58 : 28,835.37 = 7,542.30 : x
  2. Step 2: Convert to fraction form
    19,223.58/28,835.37 = 7,542.30/x
  3. Step 3: Cross multiply
    19,223.58x = 28,835.37 × 7,542.30
  4. Step 4: Simplify right side
    19,223.58x = 217,485,011.15
  5. Step 5: Solve for x
    x = 217,485,011.15/19,223.58
  6. Step 6: Final answer
    x = 11,313.45

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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.