Home / 18,164.39-25,080.86-14,643.32

Finding the Fourth Proportional to 18,164.39, 25,080.86 and 14,643.32

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Solution

The fourth proportional to 18,164.39, 25,080.86 and 14,643.32 is: 20,219.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164.39 : 25,080.86 = 14,643.32 : x
  2. Step 2: Convert to fraction form
    18,164.39/25,080.86 = 14,643.32/x
  3. Step 3: Cross multiply
    18,164.39x = 25,080.86 × 14,643.32
  4. Step 4: Simplify right side
    18,164.39x = 367,267,058.86
  5. Step 5: Solve for x
    x = 367,267,058.86/18,164.39
  6. Step 6: Final answer
    x = 20,219.07

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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.