Home / 12,566.18-18,849.76-4,670.78

Finding the Fourth Proportional to 12,566.18, 18,849.76 and 4,670.78

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Solution

The fourth proportional to 12,566.18, 18,849.76 and 4,670.78 is: 7,006.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566.18 : 18,849.76 = 4,670.78 : x
  2. Step 2: Convert to fraction form
    12,566.18/18,849.76 = 4,670.78/x
  3. Step 3: Cross multiply
    12,566.18x = 18,849.76 × 4,670.78
  4. Step 4: Simplify right side
    12,566.18x = 88,043,082.01
  5. Step 5: Solve for x
    x = 88,043,082.01/12,566.18
  6. Step 6: Final answer
    x = 7,006.35

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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.