Home / 10,082.95-15,130.58-4,239.56

Finding the Fourth Proportional to 10,082.95, 15,130.58 and 4,239.56

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Solution

The fourth proportional to 10,082.95, 15,130.58 and 4,239.56 is: 6,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.95 : 15,130.58 = 4,239.56 : x
  2. Step 2: Convert to fraction form
    10,082.95/15,130.58 = 4,239.56/x
  3. Step 3: Cross multiply
    10,082.95x = 15,130.58 × 4,239.56
  4. Step 4: Simplify right side
    10,082.95x = 64,147,018.37
  5. Step 5: Solve for x
    x = 64,147,018.37/10,082.95
  6. Step 6: Final answer
    x = 6,361.93

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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.