Home / 23,075.40-31,851.96-13,518.36

Finding the Fourth Proportional to 23,075.40, 31,851.96 and 13,518.36

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Solution

The fourth proportional to 23,075.40, 31,851.96 and 13,518.36 is: 18,659.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,075.40 : 31,851.96 = 13,518.36 : x
  2. Step 2: Convert to fraction form
    23,075.40/31,851.96 = 13,518.36/x
  3. Step 3: Cross multiply
    23,075.40x = 31,851.96 × 13,518.36
  4. Step 4: Simplify right side
    23,075.40x = 430,586,249.31
  5. Step 5: Solve for x
    x = 430,586,249.31/23,075.40
  6. Step 6: Final answer
    x = 18,659.97

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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.