Home / 22,328.96-30,807.40-13,837.32

Finding the Fourth Proportional to 22,328.96, 30,807.40 and 13,837.32

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Solution

The fourth proportional to 22,328.96, 30,807.40 and 13,837.32 is: 19,091.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,328.96 : 30,807.40 = 13,837.32 : x
  2. Step 2: Convert to fraction form
    22,328.96/30,807.40 = 13,837.32/x
  3. Step 3: Cross multiply
    22,328.96x = 30,807.40 × 13,837.32
  4. Step 4: Simplify right side
    22,328.96x = 426,291,852.17
  5. Step 5: Solve for x
    x = 426,291,852.17/22,328.96
  6. Step 6: Final answer
    x = 19,091.43

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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.