Home / 14,208.72-21,313.48-4,347.78

Finding the Fourth Proportional to 14,208.72, 21,313.48 and 4,347.78

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Solution

The fourth proportional to 14,208.72, 21,313.48 and 4,347.78 is: 6,521.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.72 : 21,313.48 = 4,347.78 : x
  2. Step 2: Convert to fraction form
    14,208.72/21,313.48 = 4,347.78/x
  3. Step 3: Cross multiply
    14,208.72x = 21,313.48 × 4,347.78
  4. Step 4: Simplify right side
    14,208.72x = 92,666,322.07
  5. Step 5: Solve for x
    x = 92,666,322.07/14,208.72
  6. Step 6: Final answer
    x = 6,521.79

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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.