Home / 11,721.03-16,175.06-6,415.93

Finding the Fourth Proportional to 11,721.03, 16,175.06 and 6,415.93

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Solution

The fourth proportional to 11,721.03, 16,175.06 and 6,415.93 is: 8,854.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.03 : 16,175.06 = 6,415.93 : x
  2. Step 2: Convert to fraction form
    11,721.03/16,175.06 = 6,415.93/x
  3. Step 3: Cross multiply
    11,721.03x = 16,175.06 × 6,415.93
  4. Step 4: Simplify right side
    11,721.03x = 103,778,052.71
  5. Step 5: Solve for x
    x = 103,778,052.71/11,721.03
  6. Step 6: Final answer
    x = 8,854.00

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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.