Home / 18,170.48-25,075.71-10,212.50

Finding the Fourth Proportional to 18,170.48, 25,075.71 and 10,212.50

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Solution

The fourth proportional to 18,170.48, 25,075.71 and 10,212.50 is: 14,093.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.48 : 25,075.71 = 10,212.50 : x
  2. Step 2: Convert to fraction form
    18,170.48/25,075.71 = 10,212.50/x
  3. Step 3: Cross multiply
    18,170.48x = 25,075.71 × 10,212.50
  4. Step 4: Simplify right side
    18,170.48x = 256,085,751.06
  5. Step 5: Solve for x
    x = 256,085,751.06/18,170.48
  6. Step 6: Final answer
    x = 14,093.50

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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.