Home / 19,181.60-28,776.32-8,088.30

Finding the Fourth Proportional to 19,181.60, 28,776.32 and 8,088.30

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Solution

The fourth proportional to 19,181.60, 28,776.32 and 8,088.30 is: 12,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181.60 : 28,776.32 = 8,088.30 : x
  2. Step 2: Convert to fraction form
    19,181.60/28,776.32 = 8,088.30/x
  3. Step 3: Cross multiply
    19,181.60x = 28,776.32 × 8,088.30
  4. Step 4: Simplify right side
    19,181.60x = 232,751,509.06
  5. Step 5: Solve for x
    x = 232,751,509.06/19,181.60
  6. Step 6: Final answer
    x = 12,134.10

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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.