Home / 12,931.04-19,396.68-10,350.38

Finding the Fourth Proportional to 12,931.04, 19,396.68 and 10,350.38

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Solution

The fourth proportional to 12,931.04, 19,396.68 and 10,350.38 is: 15,525.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931.04 : 19,396.68 = 10,350.38 : x
  2. Step 2: Convert to fraction form
    12,931.04/19,396.68 = 10,350.38/x
  3. Step 3: Cross multiply
    12,931.04x = 19,396.68 × 10,350.38
  4. Step 4: Simplify right side
    12,931.04x = 200,763,008.74
  5. Step 5: Solve for x
    x = 200,763,008.74/12,931.04
  6. Step 6: Final answer
    x = 15,525.67

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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.