Home / 13,313.56-19,970.88-4,549.36

Finding the Fourth Proportional to 13,313.56, 19,970.88 and 4,549.36

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Solution

The fourth proportional to 13,313.56, 19,970.88 and 4,549.36 is: 6,824.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.56 : 19,970.88 = 4,549.36 : x
  2. Step 2: Convert to fraction form
    13,313.56/19,970.88 = 4,549.36/x
  3. Step 3: Cross multiply
    13,313.56x = 19,970.88 × 4,549.36
  4. Step 4: Simplify right side
    13,313.56x = 90,854,722.64
  5. Step 5: Solve for x
    x = 90,854,722.64/13,313.56
  6. Step 6: Final answer
    x = 6,824.22

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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.