Home / 11,637.42-16,054.66-9,109.39

Finding the Fourth Proportional to 11,637.42, 16,054.66 and 9,109.39

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Solution

The fourth proportional to 11,637.42, 16,054.66 and 9,109.39 is: 12,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,637.42 : 16,054.66 = 9,109.39 : x
  2. Step 2: Convert to fraction form
    11,637.42/16,054.66 = 9,109.39/x
  3. Step 3: Cross multiply
    11,637.42x = 16,054.66 × 9,109.39
  4. Step 4: Simplify right side
    11,637.42x = 146,248,064.22
  5. Step 5: Solve for x
    x = 146,248,064.22/11,637.42
  6. Step 6: Final answer
    x = 12,567.05

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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.