Home / 12,847.79-19,272.90-4,953.03

Finding the Fourth Proportional to 12,847.79, 19,272.90 and 4,953.03

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Solution

The fourth proportional to 12,847.79, 19,272.90 and 4,953.03 is: 7,430.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.79 : 19,272.90 = 4,953.03 : x
  2. Step 2: Convert to fraction form
    12,847.79/19,272.90 = 4,953.03/x
  3. Step 3: Cross multiply
    12,847.79x = 19,272.90 × 4,953.03
  4. Step 4: Simplify right side
    12,847.79x = 95,459,251.89
  5. Step 5: Solve for x
    x = 95,459,251.89/12,847.79
  6. Step 6: Final answer
    x = 7,430.02

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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.