Home / 15,382.90-23,075.26-4,289.34

Finding the Fourth Proportional to 15,382.90, 23,075.26 and 4,289.34

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Solution

The fourth proportional to 15,382.90, 23,075.26 and 4,289.34 is: 6,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,382.90 : 23,075.26 = 4,289.34 : x
  2. Step 2: Convert to fraction form
    15,382.90/23,075.26 = 4,289.34/x
  3. Step 3: Cross multiply
    15,382.90x = 23,075.26 × 4,289.34
  4. Step 4: Simplify right side
    15,382.90x = 98,977,635.73
  5. Step 5: Solve for x
    x = 98,977,635.73/15,382.90
  6. Step 6: Final answer
    x = 6,434.26

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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.