Home / 13,011.46-19,510.36-6,756.18

Finding the Fourth Proportional to 13,011.46, 19,510.36 and 6,756.18

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Solution

The fourth proportional to 13,011.46, 19,510.36 and 6,756.18 is: 10,130.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.46 : 19,510.36 = 6,756.18 : x
  2. Step 2: Convert to fraction form
    13,011.46/19,510.36 = 6,756.18/x
  3. Step 3: Cross multiply
    13,011.46x = 19,510.36 × 6,756.18
  4. Step 4: Simplify right side
    13,011.46x = 131,815,504.02
  5. Step 5: Solve for x
    x = 131,815,504.02/13,011.46
  6. Step 6: Final answer
    x = 10,130.72

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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.