Home / 14,015.35-19,330.25-8,980.05

Finding the Fourth Proportional to 14,015.35, 19,330.25 and 8,980.05

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Solution

The fourth proportional to 14,015.35, 19,330.25 and 8,980.05 is: 12,385.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.35 : 19,330.25 = 8,980.05 : x
  2. Step 2: Convert to fraction form
    14,015.35/19,330.25 = 8,980.05/x
  3. Step 3: Cross multiply
    14,015.35x = 19,330.25 × 8,980.05
  4. Step 4: Simplify right side
    14,015.35x = 173,586,530.37
  5. Step 5: Solve for x
    x = 173,586,530.37/14,015.35
  6. Step 6: Final answer
    x = 12,385.46

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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.