Home / 10,274.37-15,381.51-9,289.47

Finding the Fourth Proportional to 10,274.37, 15,381.51 and 9,289.47

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Solution

The fourth proportional to 10,274.37, 15,381.51 and 9,289.47 is: 13,907.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.37 : 15,381.51 = 9,289.47 : x
  2. Step 2: Convert to fraction form
    10,274.37/15,381.51 = 9,289.47/x
  3. Step 3: Cross multiply
    10,274.37x = 15,381.51 × 9,289.47
  4. Step 4: Simplify right side
    10,274.37x = 142,886,075.70
  5. Step 5: Solve for x
    x = 142,886,075.70/10,274.37
  6. Step 6: Final answer
    x = 13,907.04

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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.