Home / 15,772.02-23,662.35-5,384.58

Finding the Fourth Proportional to 15,772.02, 23,662.35 and 5,384.58

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Solution

The fourth proportional to 15,772.02, 23,662.35 and 5,384.58 is: 8,078.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772.02 : 23,662.35 = 5,384.58 : x
  2. Step 2: Convert to fraction form
    15,772.02/23,662.35 = 5,384.58/x
  3. Step 3: Cross multiply
    15,772.02x = 23,662.35 × 5,384.58
  4. Step 4: Simplify right side
    15,772.02x = 127,411,816.56
  5. Step 5: Solve for x
    x = 127,411,816.56/15,772.02
  6. Step 6: Final answer
    x = 8,078.34

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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.