Home / 10,486.23-15,729.30-3,090.67

Finding the Fourth Proportional to 10,486.23, 15,729.30 and 3,090.67

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Solution

The fourth proportional to 10,486.23, 15,729.30 and 3,090.67 is: 4,635.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,486.23 : 15,729.30 = 3,090.67 : x
  2. Step 2: Convert to fraction form
    10,486.23/15,729.30 = 3,090.67/x
  3. Step 3: Cross multiply
    10,486.23x = 15,729.30 × 3,090.67
  4. Step 4: Simplify right side
    10,486.23x = 48,614,075.63
  5. Step 5: Solve for x
    x = 48,614,075.63/10,486.23
  6. Step 6: Final answer
    x = 4,635.99

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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.