Home / 14,779.35-20,394.74-8,064.92

Finding the Fourth Proportional to 14,779.35, 20,394.74 and 8,064.92

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Solution

The fourth proportional to 14,779.35, 20,394.74 and 8,064.92 is: 11,129.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.35 : 20,394.74 = 8,064.92 : x
  2. Step 2: Convert to fraction form
    14,779.35/20,394.74 = 8,064.92/x
  3. Step 3: Cross multiply
    14,779.35x = 20,394.74 × 8,064.92
  4. Step 4: Simplify right side
    14,779.35x = 164,482,017.67
  5. Step 5: Solve for x
    x = 164,482,017.67/14,779.35
  6. Step 6: Final answer
    x = 11,129.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.