Home / 18,922.32-26,113.08-10,857.29

Finding the Fourth Proportional to 18,922.32, 26,113.08 and 10,857.29

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Solution

The fourth proportional to 18,922.32, 26,113.08 and 10,857.29 is: 14,983.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922.32 : 26,113.08 = 10,857.29 : x
  2. Step 2: Convert to fraction form
    18,922.32/26,113.08 = 10,857.29/x
  3. Step 3: Cross multiply
    18,922.32x = 26,113.08 × 10,857.29
  4. Step 4: Simplify right side
    18,922.32x = 283,517,192.50
  5. Step 5: Solve for x
    x = 283,517,192.50/18,922.32
  6. Step 6: Final answer
    x = 14,983.22

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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.