Home / 18,160.39-25,075.34-14,639.32

Finding the Fourth Proportional to 18,160.39, 25,075.34 and 14,639.32

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Solution

The fourth proportional to 18,160.39, 25,075.34 and 14,639.32 is: 20,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.39 : 25,075.34 = 14,639.32 : x
  2. Step 2: Convert to fraction form
    18,160.39/25,075.34 = 14,639.32/x
  3. Step 3: Cross multiply
    18,160.39x = 25,075.34 × 14,639.32
  4. Step 4: Simplify right side
    18,160.39x = 367,085,926.37
  5. Step 5: Solve for x
    x = 367,085,926.37/18,160.39
  6. Step 6: Final answer
    x = 20,213.55

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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.