Home / 13,810.08-19,057.32-7,522.48

Finding the Fourth Proportional to 13,810.08, 19,057.32 and 7,522.48

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Solution

The fourth proportional to 13,810.08, 19,057.32 and 7,522.48 is: 10,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.08 : 19,057.32 = 7,522.48 : x
  2. Step 2: Convert to fraction form
    13,810.08/19,057.32 = 7,522.48/x
  3. Step 3: Cross multiply
    13,810.08x = 19,057.32 × 7,522.48
  4. Step 4: Simplify right side
    13,810.08x = 143,358,308.55
  5. Step 5: Solve for x
    x = 143,358,308.55/13,810.08
  6. Step 6: Final answer
    x = 10,380.70

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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.