Home / 19,919.86-29,880.15-6,068.50

Finding the Fourth Proportional to 19,919.86, 29,880.15 and 6,068.50

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Solution

The fourth proportional to 19,919.86, 29,880.15 and 6,068.50 is: 9,102.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919.86 : 29,880.15 = 6,068.50 : x
  2. Step 2: Convert to fraction form
    19,919.86/29,880.15 = 6,068.50/x
  3. Step 3: Cross multiply
    19,919.86x = 29,880.15 × 6,068.50
  4. Step 4: Simplify right side
    19,919.86x = 181,327,690.28
  5. Step 5: Solve for x
    x = 181,327,690.28/19,919.86
  6. Step 6: Final answer
    x = 9,102.86

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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.