Home / 13,057.02-19,588.41-4,291.56

Finding the Fourth Proportional to 13,057.02, 19,588.41 and 4,291.56

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Solution

The fourth proportional to 13,057.02, 19,588.41 and 4,291.56 is: 6,438.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.02 : 19,588.41 = 4,291.56 : x
  2. Step 2: Convert to fraction form
    13,057.02/19,588.41 = 4,291.56/x
  3. Step 3: Cross multiply
    13,057.02x = 19,588.41 × 4,291.56
  4. Step 4: Simplify right side
    13,057.02x = 84,064,836.82
  5. Step 5: Solve for x
    x = 84,064,836.82/13,057.02
  6. Step 6: Final answer
    x = 6,438.29

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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.