Home / 8,923.74-12,315.63-5,197.50

Finding the Fourth Proportional to 8,923.74, 12,315.63 and 5,197.50

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Solution

The fourth proportional to 8,923.74, 12,315.63 and 5,197.50 is: 7,173.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.74 : 12,315.63 = 5,197.50 : x
  2. Step 2: Convert to fraction form
    8,923.74/12,315.63 = 5,197.50/x
  3. Step 3: Cross multiply
    8,923.74x = 12,315.63 × 5,197.50
  4. Step 4: Simplify right side
    8,923.74x = 64,010,486.93
  5. Step 5: Solve for x
    x = 64,010,486.93/8,923.74
  6. Step 6: Final answer
    x = 7,173.06

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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.