Home / 12,847.78-19,266.63-4,526.02

Finding the Fourth Proportional to 12,847.78, 19,266.63 and 4,526.02

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Solution

The fourth proportional to 12,847.78, 19,266.63 and 4,526.02 is: 6,787.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.78 : 19,266.63 = 4,526.02 : x
  2. Step 2: Convert to fraction form
    12,847.78/19,266.63 = 4,526.02/x
  3. Step 3: Cross multiply
    12,847.78x = 19,266.63 × 4,526.02
  4. Step 4: Simplify right side
    12,847.78x = 87,201,152.71
  5. Step 5: Solve for x
    x = 87,201,152.71/12,847.78
  6. Step 6: Final answer
    x = 6,787.25

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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.