Home / 13,118.05-19,683.23-6,544.74

Finding the Fourth Proportional to 13,118.05, 19,683.23 and 6,544.74

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Solution

The fourth proportional to 13,118.05, 19,683.23 and 6,544.74 is: 9,820.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.05 : 19,683.23 = 6,544.74 : x
  2. Step 2: Convert to fraction form
    13,118.05/19,683.23 = 6,544.74/x
  3. Step 3: Cross multiply
    13,118.05x = 19,683.23 × 6,544.74
  4. Step 4: Simplify right side
    13,118.05x = 128,821,491.57
  5. Step 5: Solve for x
    x = 128,821,491.57/13,118.05
  6. Step 6: Final answer
    x = 9,820.17

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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.