Home / 18,967.95-28,445.81-6,314.34

Finding the Fourth Proportional to 18,967.95, 28,445.81 and 6,314.34

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Solution

The fourth proportional to 18,967.95, 28,445.81 and 6,314.34 is: 9,469.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,967.95 : 28,445.81 = 6,314.34 : x
  2. Step 2: Convert to fraction form
    18,967.95/28,445.81 = 6,314.34/x
  3. Step 3: Cross multiply
    18,967.95x = 28,445.81 × 6,314.34
  4. Step 4: Simplify right side
    18,967.95x = 179,616,484.34
  5. Step 5: Solve for x
    x = 179,616,484.34/18,967.95
  6. Step 6: Final answer
    x = 9,469.47

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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.