Home / 15,075.24-20,804.52-8,360.47

Finding the Fourth Proportional to 15,075.24, 20,804.52 and 8,360.47

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Solution

The fourth proportional to 15,075.24, 20,804.52 and 8,360.47 is: 11,537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075.24 : 20,804.52 = 8,360.47 : x
  2. Step 2: Convert to fraction form
    15,075.24/20,804.52 = 8,360.47/x
  3. Step 3: Cross multiply
    15,075.24x = 20,804.52 × 8,360.47
  4. Step 4: Simplify right side
    15,075.24x = 173,935,492.65
  5. Step 5: Solve for x
    x = 173,935,492.65/15,075.24
  6. Step 6: Final answer
    x = 11,537.83

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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.