Home / 10,075.40-15,113.25-3,501.81

Finding the Fourth Proportional to 10,075.40, 15,113.25 and 3,501.81

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Solution

The fourth proportional to 10,075.40, 15,113.25 and 3,501.81 is: 5,252.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.40 : 15,113.25 = 3,501.81 : x
  2. Step 2: Convert to fraction form
    10,075.40/15,113.25 = 3,501.81/x
  3. Step 3: Cross multiply
    10,075.40x = 15,113.25 × 3,501.81
  4. Step 4: Simplify right side
    10,075.40x = 52,923,729.98
  5. Step 5: Solve for x
    x = 52,923,729.98/10,075.40
  6. Step 6: Final answer
    x = 5,252.77

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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.