Home / 12,347.02-18,528.73-5,773.72

Finding the Fourth Proportional to 12,347.02, 18,528.73 and 5,773.72

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Solution

The fourth proportional to 12,347.02, 18,528.73 and 5,773.72 is: 8,664.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.02 : 18,528.73 = 5,773.72 : x
  2. Step 2: Convert to fraction form
    12,347.02/18,528.73 = 5,773.72/x
  3. Step 3: Cross multiply
    12,347.02x = 18,528.73 × 5,773.72
  4. Step 4: Simplify right side
    12,347.02x = 106,979,698.98
  5. Step 5: Solve for x
    x = 106,979,698.98/12,347.02
  6. Step 6: Final answer
    x = 8,664.41

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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.