Home / 12,793.02-17,650.35-8,603.70

Finding the Fourth Proportional to 12,793.02, 17,650.35 and 8,603.70

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Solution

The fourth proportional to 12,793.02, 17,650.35 and 8,603.70 is: 11,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793.02 : 17,650.35 = 8,603.70 : x
  2. Step 2: Convert to fraction form
    12,793.02/17,650.35 = 8,603.70/x
  3. Step 3: Cross multiply
    12,793.02x = 17,650.35 × 8,603.70
  4. Step 4: Simplify right side
    12,793.02x = 151,858,316.30
  5. Step 5: Solve for x
    x = 151,858,316.30/12,793.02
  6. Step 6: Final answer
    x = 11,870.40

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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.