Home / 13,315.76-19,955.82-6,297.64

Finding the Fourth Proportional to 13,315.76, 19,955.82 and 6,297.64

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Solution

The fourth proportional to 13,315.76, 19,955.82 and 6,297.64 is: 9,438.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.76 : 19,955.82 = 6,297.64 : x
  2. Step 2: Convert to fraction form
    13,315.76/19,955.82 = 6,297.64/x
  3. Step 3: Cross multiply
    13,315.76x = 19,955.82 × 6,297.64
  4. Step 4: Simplify right side
    13,315.76x = 125,674,570.26
  5. Step 5: Solve for x
    x = 125,674,570.26/13,315.76
  6. Step 6: Final answer
    x = 9,438.03

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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.