Home / 13,256.73-19,887.93-4,491.45

Finding the Fourth Proportional to 13,256.73, 19,887.93 and 4,491.45

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Solution

The fourth proportional to 13,256.73, 19,887.93 and 4,491.45 is: 6,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.73 : 19,887.93 = 4,491.45 : x
  2. Step 2: Convert to fraction form
    13,256.73/19,887.93 = 4,491.45/x
  3. Step 3: Cross multiply
    13,256.73x = 19,887.93 × 4,491.45
  4. Step 4: Simplify right side
    13,256.73x = 89,325,643.20
  5. Step 5: Solve for x
    x = 89,325,643.20/13,256.73
  6. Step 6: Final answer
    x = 6,738.14

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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.