Home / 22,670.64-31,285.84-13,716.56

Finding the Fourth Proportional to 22,670.64, 31,285.84 and 13,716.56

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Solution

The fourth proportional to 22,670.64, 31,285.84 and 13,716.56 is: 18,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,670.64 : 31,285.84 = 13,716.56 : x
  2. Step 2: Convert to fraction form
    22,670.64/31,285.84 = 13,716.56/x
  3. Step 3: Cross multiply
    22,670.64x = 31,285.84 × 13,716.56
  4. Step 4: Simplify right side
    22,670.64x = 429,134,101.51
  5. Step 5: Solve for x
    x = 429,134,101.51/22,670.64
  6. Step 6: Final answer
    x = 18,929.07

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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.