Home / 13,039.02-19,558.32-5,247.63

Finding the Fourth Proportional to 13,039.02, 19,558.32 and 5,247.63

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Solution

The fourth proportional to 13,039.02, 19,558.32 and 5,247.63 is: 7,871.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.02 : 19,558.32 = 5,247.63 : x
  2. Step 2: Convert to fraction form
    13,039.02/19,558.32 = 5,247.63/x
  3. Step 3: Cross multiply
    13,039.02x = 19,558.32 × 5,247.63
  4. Step 4: Simplify right side
    13,039.02x = 102,634,826.78
  5. Step 5: Solve for x
    x = 102,634,826.78/13,039.02
  6. Step 6: Final answer
    x = 7,871.36

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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.