Home / 14,208.09-21,312.54-4,347.15

Finding the Fourth Proportional to 14,208.09, 21,312.54 and 4,347.15

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Solution

The fourth proportional to 14,208.09, 21,312.54 and 4,347.15 is: 6,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.09 : 21,312.54 = 4,347.15 : x
  2. Step 2: Convert to fraction form
    14,208.09/21,312.54 = 4,347.15/x
  3. Step 3: Cross multiply
    14,208.09x = 21,312.54 × 4,347.15
  4. Step 4: Simplify right side
    14,208.09x = 92,648,808.26
  5. Step 5: Solve for x
    x = 92,648,808.26/14,208.09
  6. Step 6: Final answer
    x = 6,520.85

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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.