Home / 10,045.64-15,075.36-3,471.84

Finding the Fourth Proportional to 10,045.64, 15,075.36 and 3,471.84

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Solution

The fourth proportional to 10,045.64, 15,075.36 and 3,471.84 is: 5,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,045.64 : 15,075.36 = 3,471.84 : x
  2. Step 2: Convert to fraction form
    10,045.64/15,075.36 = 3,471.84/x
  3. Step 3: Cross multiply
    10,045.64x = 15,075.36 × 3,471.84
  4. Step 4: Simplify right side
    10,045.64x = 52,339,237.86
  5. Step 5: Solve for x
    x = 52,339,237.86/10,045.64
  6. Step 6: Final answer
    x = 5,210.15

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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.