Home / 13,543.00-18,688.83-7,575.22

Finding the Fourth Proportional to 13,543.00, 18,688.83 and 7,575.22

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Solution

The fourth proportional to 13,543.00, 18,688.83 and 7,575.22 is: 10,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543.00 : 18,688.83 = 7,575.22 : x
  2. Step 2: Convert to fraction form
    13,543.00/18,688.83 = 7,575.22/x
  3. Step 3: Cross multiply
    13,543.00x = 18,688.83 × 7,575.22
  4. Step 4: Simplify right side
    13,543.00x = 141,571,993.75
  5. Step 5: Solve for x
    x = 141,571,993.75/13,543.00
  6. Step 6: Final answer
    x = 10,453.52

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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.