Home / 18,406.04-25,399.56-10,448.09

Finding the Fourth Proportional to 18,406.04, 25,399.56 and 10,448.09

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Solution

The fourth proportional to 18,406.04, 25,399.56 and 10,448.09 is: 14,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406.04 : 25,399.56 = 10,448.09 : x
  2. Step 2: Convert to fraction form
    18,406.04/25,399.56 = 10,448.09/x
  3. Step 3: Cross multiply
    18,406.04x = 25,399.56 × 10,448.09
  4. Step 4: Simplify right side
    18,406.04x = 265,376,888.84
  5. Step 5: Solve for x
    x = 265,376,888.84/18,406.04
  6. Step 6: Final answer
    x = 14,417.92

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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.