Home / 19,518.03-29,278.35-6,866.27

Finding the Fourth Proportional to 19,518.03, 29,278.35 and 6,866.27

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Solution

The fourth proportional to 19,518.03, 29,278.35 and 6,866.27 is: 10,299.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.03 : 29,278.35 = 6,866.27 : x
  2. Step 2: Convert to fraction form
    19,518.03/29,278.35 = 6,866.27/x
  3. Step 3: Cross multiply
    19,518.03x = 29,278.35 × 6,866.27
  4. Step 4: Simplify right side
    19,518.03x = 201,032,909.86
  5. Step 5: Solve for x
    x = 201,032,909.86/19,518.03
  6. Step 6: Final answer
    x = 10,299.86

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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.