Home / 15,407.33-21,260.48-11,376.27

Finding the Fourth Proportional to 15,407.33, 21,260.48 and 11,376.27

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Solution

The fourth proportional to 15,407.33, 21,260.48 and 11,376.27 is: 15,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407.33 : 21,260.48 = 11,376.27 : x
  2. Step 2: Convert to fraction form
    15,407.33/21,260.48 = 11,376.27/x
  3. Step 3: Cross multiply
    15,407.33x = 21,260.48 × 11,376.27
  4. Step 4: Simplify right side
    15,407.33x = 241,864,903.93
  5. Step 5: Solve for x
    x = 241,864,903.93/15,407.33
  6. Step 6: Final answer
    x = 15,698.05

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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.