Home / 12,631.53-18,937.01-4,729.62

Finding the Fourth Proportional to 12,631.53, 18,937.01 and 4,729.62

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Solution

The fourth proportional to 12,631.53, 18,937.01 and 4,729.62 is: 7,090.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631.53 : 18,937.01 = 4,729.62 : x
  2. Step 2: Convert to fraction form
    12,631.53/18,937.01 = 4,729.62/x
  3. Step 3: Cross multiply
    12,631.53x = 18,937.01 × 4,729.62
  4. Step 4: Simplify right side
    12,631.53x = 89,564,873.06
  5. Step 5: Solve for x
    x = 89,564,873.06/12,631.53
  6. Step 6: Final answer
    x = 7,090.58

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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.