Home / 11,070-16,584.75-8,703.18

Finding the Fourth Proportional to 11,070, 16,584.75 and 8,703.18

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Solution

The fourth proportional to 11,070, 16,584.75 and 8,703.18 is: 13,038.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070 : 16,584.75 = 8,703.18 : x
  2. Step 2: Convert to fraction form
    11,070/16,584.75 = 8,703.18/x
  3. Step 3: Cross multiply
    11,070x = 16,584.75 × 8,703.18
  4. Step 4: Simplify right side
    11,070x = 144,340,064.51
  5. Step 5: Solve for x
    x = 144,340,064.51/11,070
  6. Step 6: Final answer
    x = 13,038.85

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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.