Home / 22,349.82-30,840.63-13,395.66

Finding the Fourth Proportional to 22,349.82, 30,840.63 and 13,395.66

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Solution

The fourth proportional to 22,349.82, 30,840.63 and 13,395.66 is: 18,484.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,349.82 : 30,840.63 = 13,395.66 : x
  2. Step 2: Convert to fraction form
    22,349.82/30,840.63 = 13,395.66/x
  3. Step 3: Cross multiply
    22,349.82x = 30,840.63 × 13,395.66
  4. Step 4: Simplify right side
    22,349.82x = 413,130,593.67
  5. Step 5: Solve for x
    x = 413,130,593.67/22,349.82
  6. Step 6: Final answer
    x = 18,484.74

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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.