Home / 19,090-26,344.20-11,025.28

Finding the Fourth Proportional to 19,090, 26,344.20 and 11,025.28

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Solution

The fourth proportional to 19,090, 26,344.20 and 11,025.28 is: 15,214.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090 : 26,344.20 = 11,025.28 : x
  2. Step 2: Convert to fraction form
    19,090/26,344.20 = 11,025.28/x
  3. Step 3: Cross multiply
    19,090x = 26,344.20 × 11,025.28
  4. Step 4: Simplify right side
    19,090x = 290,452,181.38
  5. Step 5: Solve for x
    x = 290,452,181.38/19,090
  6. Step 6: Final answer
    x = 15,214.89

Related Problems

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.