Home / 18,426.09-25,428.90-10,362.28

Finding the Fourth Proportional to 18,426.09, 25,428.90 and 10,362.28

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Solution

The fourth proportional to 18,426.09, 25,428.90 and 10,362.28 is: 14,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.09 : 25,428.90 = 10,362.28 : x
  2. Step 2: Convert to fraction form
    18,426.09/25,428.90 = 10,362.28/x
  3. Step 3: Cross multiply
    18,426.09x = 25,428.90 × 10,362.28
  4. Step 4: Simplify right side
    18,426.09x = 263,501,330.08
  5. Step 5: Solve for x
    x = 263,501,330.08/18,426.09
  6. Step 6: Final answer
    x = 14,300.45

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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.