Home / 14,208.08-21,312.11-4,347.54

Finding the Fourth Proportional to 14,208.08, 21,312.11 and 4,347.54

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Solution

The fourth proportional to 14,208.08, 21,312.11 and 4,347.54 is: 6,521.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.08 : 21,312.11 = 4,347.54 : x
  2. Step 2: Convert to fraction form
    14,208.08/21,312.11 = 4,347.54/x
  3. Step 3: Cross multiply
    14,208.08x = 21,312.11 × 4,347.54
  4. Step 4: Simplify right side
    14,208.08x = 92,655,261.58
  5. Step 5: Solve for x
    x = 92,655,261.58/14,208.08
  6. Step 6: Final answer
    x = 6,521.31

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Double scale
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Similar ratio
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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.