Home / 12,564.05-17,339.77-8,030.91

Finding the Fourth Proportional to 12,564.05, 17,339.77 and 8,030.91

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Solution

The fourth proportional to 12,564.05, 17,339.77 and 8,030.91 is: 11,083.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,564.05 : 17,339.77 = 8,030.91 : x
  2. Step 2: Convert to fraction form
    12,564.05/17,339.77 = 8,030.91/x
  3. Step 3: Cross multiply
    12,564.05x = 17,339.77 × 8,030.91
  4. Step 4: Simplify right side
    12,564.05x = 139,254,207.35
  5. Step 5: Solve for x
    x = 139,254,207.35/12,564.05
  6. Step 6: Final answer
    x = 11,083.55

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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.