Home / 13,017.09-19,525.45-3,156.45

Finding the Fourth Proportional to 13,017.09, 19,525.45 and 3,156.45

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Solution

The fourth proportional to 13,017.09, 19,525.45 and 3,156.45 is: 4,734.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.09 : 19,525.45 = 3,156.45 : x
  2. Step 2: Convert to fraction form
    13,017.09/19,525.45 = 3,156.45/x
  3. Step 3: Cross multiply
    13,017.09x = 19,525.45 × 3,156.45
  4. Step 4: Simplify right side
    13,017.09x = 61,631,106.65
  5. Step 5: Solve for x
    x = 61,631,106.65/13,017.09
  6. Step 6: Final answer
    x = 4,734.63

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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.