Home / 19,518.19-29,278.09-5,667.19

Finding the Fourth Proportional to 19,518.19, 29,278.09 and 5,667.19

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Solution

The fourth proportional to 19,518.19, 29,278.09 and 5,667.19 is: 8,501.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.19 : 29,278.09 = 5,667.19 : x
  2. Step 2: Convert to fraction form
    19,518.19/29,278.09 = 5,667.19/x
  3. Step 3: Cross multiply
    19,518.19x = 29,278.09 × 5,667.19
  4. Step 4: Simplify right side
    19,518.19x = 165,924,432.76
  5. Step 5: Solve for x
    x = 165,924,432.76/19,518.19
  6. Step 6: Final answer
    x = 8,501.02

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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.