Home / 18,389.43-25,368.96-10,832.13

Finding the Fourth Proportional to 18,389.43, 25,368.96 and 10,832.13

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Solution

The fourth proportional to 18,389.43, 25,368.96 and 10,832.13 is: 14,943.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.43 : 25,368.96 = 10,832.13 : x
  2. Step 2: Convert to fraction form
    18,389.43/25,368.96 = 10,832.13/x
  3. Step 3: Cross multiply
    18,389.43x = 25,368.96 × 10,832.13
  4. Step 4: Simplify right side
    18,389.43x = 274,799,913.31
  5. Step 5: Solve for x
    x = 274,799,913.31/18,389.43
  6. Step 6: Final answer
    x = 14,943.36

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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.