Home / 14,969.39-20,656.08-9,589.37

Finding the Fourth Proportional to 14,969.39, 20,656.08 and 9,589.37

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Solution

The fourth proportional to 14,969.39, 20,656.08 and 9,589.37 is: 13,232.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969.39 : 20,656.08 = 9,589.37 : x
  2. Step 2: Convert to fraction form
    14,969.39/20,656.08 = 9,589.37/x
  3. Step 3: Cross multiply
    14,969.39x = 20,656.08 × 9,589.37
  4. Step 4: Simplify right side
    14,969.39x = 198,078,690.59
  5. Step 5: Solve for x
    x = 198,078,690.59/14,969.39
  6. Step 6: Final answer
    x = 13,232.25

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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.