Home / 19,378.76-29,075.37-13,197.06

Finding the Fourth Proportional to 19,378.76, 29,075.37 and 13,197.06

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Solution

The fourth proportional to 19,378.76, 29,075.37 and 13,197.06 is: 19,800.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378.76 : 29,075.37 = 13,197.06 : x
  2. Step 2: Convert to fraction form
    19,378.76/29,075.37 = 13,197.06/x
  3. Step 3: Cross multiply
    19,378.76x = 29,075.37 × 13,197.06
  4. Step 4: Simplify right side
    19,378.76x = 383,709,494.14
  5. Step 5: Solve for x
    x = 383,709,494.14/19,378.76
  6. Step 6: Final answer
    x = 19,800.52

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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.