Home / 13,970.21-20,955.95-4,611.04

Finding the Fourth Proportional to 13,970.21, 20,955.95 and 4,611.04

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Solution

The fourth proportional to 13,970.21, 20,955.95 and 4,611.04 is: 6,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970.21 : 20,955.95 = 4,611.04 : x
  2. Step 2: Convert to fraction form
    13,970.21/20,955.95 = 4,611.04/x
  3. Step 3: Cross multiply
    13,970.21x = 20,955.95 × 4,611.04
  4. Step 4: Simplify right side
    13,970.21x = 96,628,723.69
  5. Step 5: Solve for x
    x = 96,628,723.69/13,970.21
  6. Step 6: Final answer
    x = 6,916.77

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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.