Home / 12,747.02-19,122.47-6,503.63

Finding the Fourth Proportional to 12,747.02, 19,122.47 and 6,503.63

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Solution

The fourth proportional to 12,747.02, 19,122.47 and 6,503.63 is: 9,756.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747.02 : 19,122.47 = 6,503.63 : x
  2. Step 2: Convert to fraction form
    12,747.02/19,122.47 = 6,503.63/x
  3. Step 3: Cross multiply
    12,747.02x = 19,122.47 × 6,503.63
  4. Step 4: Simplify right side
    12,747.02x = 124,365,384.12
  5. Step 5: Solve for x
    x = 124,365,384.12/12,747.02
  6. Step 6: Final answer
    x = 9,756.43

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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.