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Finding the Fourth Proportional to 12,510.55, 18,735.92 and 6,950.10

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Solution

The fourth proportional to 12,510.55, 18,735.92 and 6,950.10 is: 10,408.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.55 : 18,735.92 = 6,950.10 : x
  2. Step 2: Convert to fraction form
    12,510.55/18,735.92 = 6,950.10/x
  3. Step 3: Cross multiply
    12,510.55x = 18,735.92 × 6,950.10
  4. Step 4: Simplify right side
    12,510.55x = 130,216,482.84
  5. Step 5: Solve for x
    x = 130,216,482.84/12,510.55
  6. Step 6: Final answer
    x = 10,408.54

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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.