Home / 13,315.43-19,975.50-4,548.29

Finding the Fourth Proportional to 13,315.43, 19,975.50 and 4,548.29

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Solution

The fourth proportional to 13,315.43, 19,975.50 and 4,548.29 is: 6,823.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.43 : 19,975.50 = 4,548.29 : x
  2. Step 2: Convert to fraction form
    13,315.43/19,975.50 = 4,548.29/x
  3. Step 3: Cross multiply
    13,315.43x = 19,975.50 × 4,548.29
  4. Step 4: Simplify right side
    13,315.43x = 90,854,267.02
  5. Step 5: Solve for x
    x = 90,854,267.02/13,315.43
  6. Step 6: Final answer
    x = 6,823.23

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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.