Home / 13,068.67-19,565.74-8,677.39

Finding the Fourth Proportional to 13,068.67, 19,565.74 and 8,677.39

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Solution

The fourth proportional to 13,068.67, 19,565.74 and 8,677.39 is: 12,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.67 : 19,565.74 = 8,677.39 : x
  2. Step 2: Convert to fraction form
    13,068.67/19,565.74 = 8,677.39/x
  3. Step 3: Cross multiply
    13,068.67x = 19,565.74 × 8,677.39
  4. Step 4: Simplify right side
    13,068.67x = 169,779,556.62
  5. Step 5: Solve for x
    x = 169,779,556.62/13,068.67
  6. Step 6: Final answer
    x = 12,991.34

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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.