Home / 13,004.18-19,506.81-4,239.17

Finding the Fourth Proportional to 13,004.18, 19,506.81 and 4,239.17

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Solution

The fourth proportional to 13,004.18, 19,506.81 and 4,239.17 is: 6,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,004.18 : 19,506.81 = 4,239.17 : x
  2. Step 2: Convert to fraction form
    13,004.18/19,506.81 = 4,239.17/x
  3. Step 3: Cross multiply
    13,004.18x = 19,506.81 × 4,239.17
  4. Step 4: Simplify right side
    13,004.18x = 82,692,683.75
  5. Step 5: Solve for x
    x = 82,692,683.75/13,004.18
  6. Step 6: Final answer
    x = 6,358.93

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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.