Home / 12,753.59-19,136.15-6,510.38

Finding the Fourth Proportional to 12,753.59, 19,136.15 and 6,510.38

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Solution

The fourth proportional to 12,753.59, 19,136.15 and 6,510.38 is: 9,768.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753.59 : 19,136.15 = 6,510.38 : x
  2. Step 2: Convert to fraction form
    12,753.59/19,136.15 = 6,510.38/x
  3. Step 3: Cross multiply
    12,753.59x = 19,136.15 × 6,510.38
  4. Step 4: Simplify right side
    12,753.59x = 124,583,480.00
  5. Step 5: Solve for x
    x = 124,583,480.00/12,753.59
  6. Step 6: Final answer
    x = 9,768.51

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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.