Home / 12,993.48-19,478.58-4,671.56

Finding the Fourth Proportional to 12,993.48, 19,478.58 and 4,671.56

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Solution

The fourth proportional to 12,993.48, 19,478.58 and 4,671.56 is: 7,003.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,993.48 : 19,478.58 = 4,671.56 : x
  2. Step 2: Convert to fraction form
    12,993.48/19,478.58 = 4,671.56/x
  3. Step 3: Cross multiply
    12,993.48x = 19,478.58 × 4,671.56
  4. Step 4: Simplify right side
    12,993.48x = 90,995,355.18
  5. Step 5: Solve for x
    x = 90,995,355.18/12,993.48
  6. Step 6: Final answer
    x = 7,003.16

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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.