Home / 15,410.51-21,266.33-8,698.31

Finding the Fourth Proportional to 15,410.51, 21,266.33 and 8,698.31

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Solution

The fourth proportional to 15,410.51, 21,266.33 and 8,698.31 is: 12,003.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,410.51 : 21,266.33 = 8,698.31 : x
  2. Step 2: Convert to fraction form
    15,410.51/21,266.33 = 8,698.31/x
  3. Step 3: Cross multiply
    15,410.51x = 21,266.33 × 8,698.31
  4. Step 4: Simplify right side
    15,410.51x = 184,981,130.90
  5. Step 5: Solve for x
    x = 184,981,130.90/15,410.51
  6. Step 6: Final answer
    x = 12,003.57

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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.