Home / 18,697.08-28,038.62-6,214.80

Finding the Fourth Proportional to 18,697.08, 28,038.62 and 6,214.80

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Solution

The fourth proportional to 18,697.08, 28,038.62 and 6,214.80 is: 9,319.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,697.08 : 28,038.62 = 6,214.80 : x
  2. Step 2: Convert to fraction form
    18,697.08/28,038.62 = 6,214.80/x
  3. Step 3: Cross multiply
    18,697.08x = 28,038.62 × 6,214.80
  4. Step 4: Simplify right side
    18,697.08x = 174,254,415.58
  5. Step 5: Solve for x
    x = 174,254,415.58/18,697.08
  6. Step 6: Final answer
    x = 9,319.87

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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.