Home / 19,070.37-28,605.55-7,383.59

Finding the Fourth Proportional to 19,070.37, 28,605.55 and 7,383.59

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Solution

The fourth proportional to 19,070.37, 28,605.55 and 7,383.59 is: 11,075.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.37 : 28,605.55 = 7,383.59 : x
  2. Step 2: Convert to fraction form
    19,070.37/28,605.55 = 7,383.59/x
  3. Step 3: Cross multiply
    19,070.37x = 28,605.55 × 7,383.59
  4. Step 4: Simplify right side
    19,070.37x = 211,211,612.55
  5. Step 5: Solve for x
    x = 211,211,612.55/19,070.37
  6. Step 6: Final answer
    x = 11,075.38

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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.