Home / 15,363.24-21,199.81-11,332.26

Finding the Fourth Proportional to 15,363.24, 21,199.81 and 11,332.26

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Solution

The fourth proportional to 15,363.24, 21,199.81 and 11,332.26 is: 15,637.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363.24 : 21,199.81 = 11,332.26 : x
  2. Step 2: Convert to fraction form
    15,363.24/21,199.81 = 11,332.26/x
  3. Step 3: Cross multiply
    15,363.24x = 21,199.81 × 11,332.26
  4. Step 4: Simplify right side
    15,363.24x = 240,241,783.54
  5. Step 5: Solve for x
    x = 240,241,783.54/15,363.24
  6. Step 6: Final answer
    x = 15,637.44

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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.