Home / 8,923.93-12,287.53-7,927.48

Finding the Fourth Proportional to 8,923.93, 12,287.53 and 7,927.48

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Solution

The fourth proportional to 8,923.93, 12,287.53 and 7,927.48 is: 10,915.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.93 : 12,287.53 = 7,927.48 : x
  2. Step 2: Convert to fraction form
    8,923.93/12,287.53 = 7,927.48/x
  3. Step 3: Cross multiply
    8,923.93x = 12,287.53 × 7,927.48
  4. Step 4: Simplify right side
    8,923.93x = 97,409,148.32
  5. Step 5: Solve for x
    x = 97,409,148.32/8,923.93
  6. Step 6: Final answer
    x = 10,915.50

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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.