Home / 19,518.15-29,274.26-6,370.50

Finding the Fourth Proportional to 19,518.15, 29,274.26 and 6,370.50

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Solution

The fourth proportional to 19,518.15, 29,274.26 and 6,370.50 is: 9,554.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.15 : 29,274.26 = 6,370.50 : x
  2. Step 2: Convert to fraction form
    19,518.15/29,274.26 = 6,370.50/x
  3. Step 3: Cross multiply
    19,518.15x = 29,274.26 × 6,370.50
  4. Step 4: Simplify right side
    19,518.15x = 186,491,641.48
  5. Step 5: Solve for x
    x = 186,491,641.48/19,518.15
  6. Step 6: Final answer
    x = 9,554.78

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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.