Home / 15,474.83-21,364.58-14,589.23

Finding the Fourth Proportional to 15,474.83, 21,364.58 and 14,589.23

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Solution

The fourth proportional to 15,474.83, 21,364.58 and 14,589.23 is: 20,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,474.83 : 21,364.58 = 14,589.23 : x
  2. Step 2: Convert to fraction form
    15,474.83/21,364.58 = 14,589.23/x
  3. Step 3: Cross multiply
    15,474.83x = 21,364.58 × 14,589.23
  4. Step 4: Simplify right side
    15,474.83x = 311,692,771.47
  5. Step 5: Solve for x
    x = 311,692,771.47/15,474.83
  6. Step 6: Final answer
    x = 20,141.92

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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.