Home / 19,652.60-27,122.06-11,156.20

Finding the Fourth Proportional to 19,652.60, 27,122.06 and 11,156.20

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Solution

The fourth proportional to 19,652.60, 27,122.06 and 11,156.20 is: 15,396.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.60 : 27,122.06 = 11,156.20 : x
  2. Step 2: Convert to fraction form
    19,652.60/27,122.06 = 11,156.20/x
  3. Step 3: Cross multiply
    19,652.60x = 27,122.06 × 11,156.20
  4. Step 4: Simplify right side
    19,652.60x = 302,579,125.77
  5. Step 5: Solve for x
    x = 302,579,125.77/19,652.60
  6. Step 6: Final answer
    x = 15,396.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.