Home / 14,152.54-21,228.99-6,145.48

Finding the Fourth Proportional to 14,152.54, 21,228.99 and 6,145.48

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Solution

The fourth proportional to 14,152.54, 21,228.99 and 6,145.48 is: 9,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.54 : 21,228.99 = 6,145.48 : x
  2. Step 2: Convert to fraction form
    14,152.54/21,228.99 = 6,145.48/x
  3. Step 3: Cross multiply
    14,152.54x = 21,228.99 × 6,145.48
  4. Step 4: Simplify right side
    14,152.54x = 130,462,333.47
  5. Step 5: Solve for x
    x = 130,462,333.47/14,152.54
  6. Step 6: Final answer
    x = 9,218.30

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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.