Home / 13,750.53-18,984.33-9,451.04

Finding the Fourth Proportional to 13,750.53, 18,984.33 and 9,451.04

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Solution

The fourth proportional to 13,750.53, 18,984.33 and 9,451.04 is: 13,048.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.53 : 18,984.33 = 9,451.04 : x
  2. Step 2: Convert to fraction form
    13,750.53/18,984.33 = 9,451.04/x
  3. Step 3: Cross multiply
    13,750.53x = 18,984.33 × 9,451.04
  4. Step 4: Simplify right side
    13,750.53x = 179,421,567.28
  5. Step 5: Solve for x
    x = 179,421,567.28/13,750.53
  6. Step 6: Final answer
    x = 13,048.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.