Home / 14,406.23-21,609.21-7,830.92

Finding the Fourth Proportional to 14,406.23, 21,609.21 and 7,830.92

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Solution

The fourth proportional to 14,406.23, 21,609.21 and 7,830.92 is: 11,746.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,406.23 : 21,609.21 = 7,830.92 : x
  2. Step 2: Convert to fraction form
    14,406.23/21,609.21 = 7,830.92/x
  3. Step 3: Cross multiply
    14,406.23x = 21,609.21 × 7,830.92
  4. Step 4: Simplify right side
    14,406.23x = 169,219,994.77
  5. Step 5: Solve for x
    x = 169,219,994.77/14,406.23
  6. Step 6: Final answer
    x = 11,746.31

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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.