Home / 12,827.76-19,219.74-6,973.92

Finding the Fourth Proportional to 12,827.76, 19,219.74 and 6,973.92

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Solution

The fourth proportional to 12,827.76, 19,219.74 and 6,973.92 is: 10,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827.76 : 19,219.74 = 6,973.92 : x
  2. Step 2: Convert to fraction form
    12,827.76/19,219.74 = 6,973.92/x
  3. Step 3: Cross multiply
    12,827.76x = 19,219.74 × 6,973.92
  4. Step 4: Simplify right side
    12,827.76x = 134,036,929.18
  5. Step 5: Solve for x
    x = 134,036,929.18/12,827.76
  6. Step 6: Final answer
    x = 10,448.97

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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.