Home / 14,028.68-21,041.40-4,167.92

Finding the Fourth Proportional to 14,028.68, 21,041.40 and 4,167.92

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Solution

The fourth proportional to 14,028.68, 21,041.40 and 4,167.92 is: 6,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.68 : 21,041.40 = 4,167.92 : x
  2. Step 2: Convert to fraction form
    14,028.68/21,041.40 = 4,167.92/x
  3. Step 3: Cross multiply
    14,028.68x = 21,041.40 × 4,167.92
  4. Step 4: Simplify right side
    14,028.68x = 87,698,871.89
  5. Step 5: Solve for x
    x = 87,698,871.89/14,028.68
  6. Step 6: Final answer
    x = 6,251.40

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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.