Home / 15,075.62-20,782.83-10,825.32

Finding the Fourth Proportional to 15,075.62, 20,782.83 and 10,825.32

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Solution

The fourth proportional to 15,075.62, 20,782.83 and 10,825.32 is: 14,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075.62 : 20,782.83 = 10,825.32 : x
  2. Step 2: Convert to fraction form
    15,075.62/20,782.83 = 10,825.32/x
  3. Step 3: Cross multiply
    15,075.62x = 20,782.83 × 10,825.32
  4. Step 4: Simplify right side
    15,075.62x = 224,980,785.26
  5. Step 5: Solve for x
    x = 224,980,785.26/15,075.62
  6. Step 6: Final answer
    x = 14,923.49

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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.