Home / 12,654.85-18,984.16-4,756.19

Finding the Fourth Proportional to 12,654.85, 18,984.16 and 4,756.19

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Solution

The fourth proportional to 12,654.85, 18,984.16 and 4,756.19 is: 7,134.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654.85 : 18,984.16 = 4,756.19 : x
  2. Step 2: Convert to fraction form
    12,654.85/18,984.16 = 4,756.19/x
  3. Step 3: Cross multiply
    12,654.85x = 18,984.16 × 4,756.19
  4. Step 4: Simplify right side
    12,654.85x = 90,292,156.22
  5. Step 5: Solve for x
    x = 90,292,156.22/12,654.85
  6. Step 6: Final answer
    x = 7,134.98

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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.