Home / 12,510.74-18,766.12-5,017.70

Finding the Fourth Proportional to 12,510.74, 18,766.12 and 5,017.70

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Solution

The fourth proportional to 12,510.74, 18,766.12 and 5,017.70 is: 7,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.74 : 18,766.12 = 5,017.70 : x
  2. Step 2: Convert to fraction form
    12,510.74/18,766.12 = 5,017.70/x
  3. Step 3: Cross multiply
    12,510.74x = 18,766.12 × 5,017.70
  4. Step 4: Simplify right side
    12,510.74x = 94,162,760.32
  5. Step 5: Solve for x
    x = 94,162,760.32/12,510.74
  6. Step 6: Final answer
    x = 7,526.55

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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.