Home / 15,683.81-23,530.30-6,318.99

Finding the Fourth Proportional to 15,683.81, 23,530.30 and 6,318.99

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Solution

The fourth proportional to 15,683.81, 23,530.30 and 6,318.99 is: 9,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,683.81 : 23,530.30 = 6,318.99 : x
  2. Step 2: Convert to fraction form
    15,683.81/23,530.30 = 6,318.99/x
  3. Step 3: Cross multiply
    15,683.81x = 23,530.30 × 6,318.99
  4. Step 4: Simplify right side
    15,683.81x = 148,687,714.60
  5. Step 5: Solve for x
    x = 148,687,714.60/15,683.81
  6. Step 6: Final answer
    x = 9,480.33

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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.