Home / 11,402.87-17,076.51-6,457.52

Finding the Fourth Proportional to 11,402.87, 17,076.51 and 6,457.52

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Solution

The fourth proportional to 11,402.87, 17,076.51 and 6,457.52 is: 9,670.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,402.87 : 17,076.51 = 6,457.52 : x
  2. Step 2: Convert to fraction form
    11,402.87/17,076.51 = 6,457.52/x
  3. Step 3: Cross multiply
    11,402.87x = 17,076.51 × 6,457.52
  4. Step 4: Simplify right side
    11,402.87x = 110,271,947.55
  5. Step 5: Solve for x
    x = 110,271,947.55/11,402.87
  6. Step 6: Final answer
    x = 9,670.55

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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.