Home / 14,077.87-19,427.25-8,109.60

Finding the Fourth Proportional to 14,077.87, 19,427.25 and 8,109.60

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Solution

The fourth proportional to 14,077.87, 19,427.25 and 8,109.60 is: 11,191.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.87 : 19,427.25 = 8,109.60 : x
  2. Step 2: Convert to fraction form
    14,077.87/19,427.25 = 8,109.60/x
  3. Step 3: Cross multiply
    14,077.87x = 19,427.25 × 8,109.60
  4. Step 4: Simplify right side
    14,077.87x = 157,547,226.60
  5. Step 5: Solve for x
    x = 157,547,226.60/14,077.87
  6. Step 6: Final answer
    x = 11,191.13

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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.