Home / 13,037.36-19,555.97-4,272.21

Finding the Fourth Proportional to 13,037.36, 19,555.97 and 4,272.21

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Solution

The fourth proportional to 13,037.36, 19,555.97 and 4,272.21 is: 6,408.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.36 : 19,555.97 = 4,272.21 : x
  2. Step 2: Convert to fraction form
    13,037.36/19,555.97 = 4,272.21/x
  3. Step 3: Cross multiply
    13,037.36x = 19,555.97 × 4,272.21
  4. Step 4: Simplify right side
    13,037.36x = 83,547,189.23
  5. Step 5: Solve for x
    x = 83,547,189.23/13,037.36
  6. Step 6: Final answer
    x = 6,408.29

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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.