Home / 18,846.28-28,271.34-4,995.28

Finding the Fourth Proportional to 18,846.28, 28,271.34 and 4,995.28

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Solution

The fourth proportional to 18,846.28, 28,271.34 and 4,995.28 is: 7,493.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,846.28 : 28,271.34 = 4,995.28 : x
  2. Step 2: Convert to fraction form
    18,846.28/28,271.34 = 4,995.28/x
  3. Step 3: Cross multiply
    18,846.28x = 28,271.34 × 4,995.28
  4. Step 4: Simplify right side
    18,846.28x = 141,223,259.28
  5. Step 5: Solve for x
    x = 141,223,259.28/18,846.28
  6. Step 6: Final answer
    x = 7,493.43

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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.