Home / 15,913.37-23,870.12-5,383.47

Finding the Fourth Proportional to 15,913.37, 23,870.12 and 5,383.47

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Solution

The fourth proportional to 15,913.37, 23,870.12 and 5,383.47 is: 8,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913.37 : 23,870.12 = 5,383.47 : x
  2. Step 2: Convert to fraction form
    15,913.37/23,870.12 = 5,383.47/x
  3. Step 3: Cross multiply
    15,913.37x = 23,870.12 × 5,383.47
  4. Step 4: Simplify right side
    15,913.37x = 128,504,048.00
  5. Step 5: Solve for x
    x = 128,504,048.00/15,913.37
  6. Step 6: Final answer
    x = 8,075.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.