Home / 13,256.20-19,883.10-4,491.40

Finding the Fourth Proportional to 13,256.20, 19,883.10 and 4,491.40

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Solution

The fourth proportional to 13,256.20, 19,883.10 and 4,491.40 is: 6,736.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.20 : 19,883.10 = 4,491.40 : x
  2. Step 2: Convert to fraction form
    13,256.20/19,883.10 = 4,491.40/x
  3. Step 3: Cross multiply
    13,256.20x = 19,883.10 × 4,491.40
  4. Step 4: Simplify right side
    13,256.20x = 89,302,955.34
  5. Step 5: Solve for x
    x = 89,302,955.34/13,256.20
  6. Step 6: Final answer
    x = 6,736.69

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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.