Home / 8,931.06-12,334.74-6,938.59

Finding the Fourth Proportional to 8,931.06, 12,334.74 and 6,938.59

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Solution

The fourth proportional to 8,931.06, 12,334.74 and 6,938.59 is: 9,582.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.06 : 12,334.74 = 6,938.59 : x
  2. Step 2: Convert to fraction form
    8,931.06/12,334.74 = 6,938.59/x
  3. Step 3: Cross multiply
    8,931.06x = 12,334.74 × 6,938.59
  4. Step 4: Simplify right side
    8,931.06x = 85,585,668.92
  5. Step 5: Solve for x
    x = 85,585,668.92/8,931.06
  6. Step 6: Final answer
    x = 9,582.93

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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.