Home / 13,075.23-19,629.09-13,015.29

Finding the Fourth Proportional to 13,075.23, 19,629.09 and 13,015.29

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Solution

The fourth proportional to 13,075.23, 19,629.09 and 13,015.29 is: 19,539.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.23 : 19,629.09 = 13,015.29 : x
  2. Step 2: Convert to fraction form
    13,075.23/19,629.09 = 13,015.29/x
  3. Step 3: Cross multiply
    13,075.23x = 19,629.09 × 13,015.29
  4. Step 4: Simplify right side
    13,075.23x = 255,478,298.79
  5. Step 5: Solve for x
    x = 255,478,298.79/13,075.23
  6. Step 6: Final answer
    x = 19,539.11

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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.