Home / 19,421.40-26,794.62-11,459.64

Finding the Fourth Proportional to 19,421.40, 26,794.62 and 11,459.64

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Solution

The fourth proportional to 19,421.40, 26,794.62 and 11,459.64 is: 15,810.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421.40 : 26,794.62 = 11,459.64 : x
  2. Step 2: Convert to fraction form
    19,421.40/26,794.62 = 11,459.64/x
  3. Step 3: Cross multiply
    19,421.40x = 26,794.62 × 11,459.64
  4. Step 4: Simplify right side
    19,421.40x = 307,056,699.14
  5. Step 5: Solve for x
    x = 307,056,699.14/19,421.40
  6. Step 6: Final answer
    x = 15,810.22

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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.