Home / 12,602.45-18,901.60-4,702.89

Finding the Fourth Proportional to 12,602.45, 18,901.60 and 4,702.89

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Solution

The fourth proportional to 12,602.45, 18,901.60 and 4,702.89 is: 7,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602.45 : 18,901.60 = 4,702.89 : x
  2. Step 2: Convert to fraction form
    12,602.45/18,901.60 = 4,702.89/x
  3. Step 3: Cross multiply
    12,602.45x = 18,901.60 × 4,702.89
  4. Step 4: Simplify right side
    12,602.45x = 88,892,204.75
  5. Step 5: Solve for x
    x = 88,892,204.75/12,602.45
  6. Step 6: Final answer
    x = 7,053.56

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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.