Home / 19,138.64-28,707.95-5,992.03

Finding the Fourth Proportional to 19,138.64, 28,707.95 and 5,992.03

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Solution

The fourth proportional to 19,138.64, 28,707.95 and 5,992.03 is: 8,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,138.64 : 28,707.95 = 5,992.03 : x
  2. Step 2: Convert to fraction form
    19,138.64/28,707.95 = 5,992.03/x
  3. Step 3: Cross multiply
    19,138.64x = 28,707.95 × 5,992.03
  4. Step 4: Simplify right side
    19,138.64x = 172,018,948.50
  5. Step 5: Solve for x
    x = 172,018,948.50/19,138.64
  6. Step 6: Final answer
    x = 8,988.05

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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.