Home / 12,615.96-18,927.59-5,219.04

Finding the Fourth Proportional to 12,615.96, 18,927.59 and 5,219.04

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Solution

The fourth proportional to 12,615.96, 18,927.59 and 5,219.04 is: 7,830.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615.96 : 18,927.59 = 5,219.04 : x
  2. Step 2: Convert to fraction form
    12,615.96/18,927.59 = 5,219.04/x
  3. Step 3: Cross multiply
    12,615.96x = 18,927.59 × 5,219.04
  4. Step 4: Simplify right side
    12,615.96x = 98,783,823.22
  5. Step 5: Solve for x
    x = 98,783,823.22/12,615.96
  6. Step 6: Final answer
    x = 7,830.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.