Home / 13,970.86-20,958.89-4,611.53

Finding the Fourth Proportional to 13,970.86, 20,958.89 and 4,611.53

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Solution

The fourth proportional to 13,970.86, 20,958.89 and 4,611.53 is: 6,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970.86 : 20,958.89 = 4,611.53 : x
  2. Step 2: Convert to fraction form
    13,970.86/20,958.89 = 4,611.53/x
  3. Step 3: Cross multiply
    13,970.86x = 20,958.89 × 4,611.53
  4. Step 4: Simplify right side
    13,970.86x = 96,652,579.34
  5. Step 5: Solve for x
    x = 96,652,579.34/13,970.86
  6. Step 6: Final answer
    x = 6,918.15

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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.