Home / 15,070.02-20,795.46-8,355.54

Finding the Fourth Proportional to 15,070.02, 20,795.46 and 8,355.54

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Solution

The fourth proportional to 15,070.02, 20,795.46 and 8,355.54 is: 11,530.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,070.02 : 20,795.46 = 8,355.54 : x
  2. Step 2: Convert to fraction form
    15,070.02/20,795.46 = 8,355.54/x
  3. Step 3: Cross multiply
    15,070.02x = 20,795.46 × 8,355.54
  4. Step 4: Simplify right side
    15,070.02x = 173,757,297.85
  5. Step 5: Solve for x
    x = 173,757,297.85/15,070.02
  6. Step 6: Final answer
    x = 11,530.00

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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.