Home / 14,784.26-20,388.95-9,478.04

Finding the Fourth Proportional to 14,784.26, 20,388.95 and 9,478.04

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Solution

The fourth proportional to 14,784.26, 20,388.95 and 9,478.04 is: 13,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.26 : 20,388.95 = 9,478.04 : x
  2. Step 2: Convert to fraction form
    14,784.26/20,388.95 = 9,478.04/x
  3. Step 3: Cross multiply
    14,784.26x = 20,388.95 × 9,478.04
  4. Step 4: Simplify right side
    14,784.26x = 193,247,205.41
  5. Step 5: Solve for x
    x = 193,247,205.41/14,784.26
  6. Step 6: Final answer
    x = 13,071.15

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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.