Home / 13,011.14-19,499.23-6,758.14

Finding the Fourth Proportional to 13,011.14, 19,499.23 and 6,758.14

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Solution

The fourth proportional to 13,011.14, 19,499.23 and 6,758.14 is: 10,128.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.14 : 19,499.23 = 6,758.14 : x
  2. Step 2: Convert to fraction form
    13,011.14/19,499.23 = 6,758.14/x
  3. Step 3: Cross multiply
    13,011.14x = 19,499.23 × 6,758.14
  4. Step 4: Simplify right side
    13,011.14x = 131,778,526.23
  5. Step 5: Solve for x
    x = 131,778,526.23/13,011.14
  6. Step 6: Final answer
    x = 10,128.13

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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.