Home / 13,257.02-19,877.84-9,101.72

Finding the Fourth Proportional to 13,257.02, 19,877.84 and 9,101.72

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Solution

The fourth proportional to 13,257.02, 19,877.84 and 9,101.72 is: 13,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.02 : 19,877.84 = 9,101.72 : x
  2. Step 2: Convert to fraction form
    13,257.02/19,877.84 = 9,101.72/x
  3. Step 3: Cross multiply
    13,257.02x = 19,877.84 × 9,101.72
  4. Step 4: Simplify right side
    13,257.02x = 180,922,533.88
  5. Step 5: Solve for x
    x = 180,922,533.88/13,257.02
  6. Step 6: Final answer
    x = 13,647.30

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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.