Home / 15,027.89-20,738.70-9,364.93

Finding the Fourth Proportional to 15,027.89, 20,738.70 and 9,364.93

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Solution

The fourth proportional to 15,027.89, 20,738.70 and 9,364.93 is: 12,923.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.89 : 20,738.70 = 9,364.93 : x
  2. Step 2: Convert to fraction form
    15,027.89/20,738.70 = 9,364.93/x
  3. Step 3: Cross multiply
    15,027.89x = 20,738.70 × 9,364.93
  4. Step 4: Simplify right side
    15,027.89x = 194,216,473.79
  5. Step 5: Solve for x
    x = 194,216,473.79/15,027.89
  6. Step 6: Final answer
    x = 12,923.74

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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.