Home / 14,390.01-21,579.35-6,992.28

Finding the Fourth Proportional to 14,390.01, 21,579.35 and 6,992.28

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Solution

The fourth proportional to 14,390.01, 21,579.35 and 6,992.28 is: 10,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.01 : 21,579.35 = 6,992.28 : x
  2. Step 2: Convert to fraction form
    14,390.01/21,579.35 = 6,992.28/x
  3. Step 3: Cross multiply
    14,390.01x = 21,579.35 × 6,992.28
  4. Step 4: Simplify right side
    14,390.01x = 150,888,822.46
  5. Step 5: Solve for x
    x = 150,888,822.46/14,390.01
  6. Step 6: Final answer
    x = 10,485.66

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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.