Home / 15,385.26-23,075.84-4,291.02

Finding the Fourth Proportional to 15,385.26, 23,075.84 and 4,291.02

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Solution

The fourth proportional to 15,385.26, 23,075.84 and 4,291.02 is: 6,435.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385.26 : 23,075.84 = 4,291.02 : x
  2. Step 2: Convert to fraction form
    15,385.26/23,075.84 = 4,291.02/x
  3. Step 3: Cross multiply
    15,385.26x = 23,075.84 × 4,291.02
  4. Step 4: Simplify right side
    15,385.26x = 99,018,885.59
  5. Step 5: Solve for x
    x = 99,018,885.59/15,385.26
  6. Step 6: Final answer
    x = 6,435.96

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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.