Home / 14,512.24-20,075.88-13,987.36

Finding the Fourth Proportional to 14,512.24, 20,075.88 and 13,987.36

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Solution

The fourth proportional to 14,512.24, 20,075.88 and 13,987.36 is: 19,349.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.24 : 20,075.88 = 13,987.36 : x
  2. Step 2: Convert to fraction form
    14,512.24/20,075.88 = 13,987.36/x
  3. Step 3: Cross multiply
    14,512.24x = 20,075.88 × 13,987.36
  4. Step 4: Simplify right side
    14,512.24x = 280,808,560.88
  5. Step 5: Solve for x
    x = 280,808,560.88/14,512.24
  6. Step 6: Final answer
    x = 19,349.77

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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.