Home / 18,394.00-25,353.38-13,009.48

Finding the Fourth Proportional to 18,394.00, 25,353.38 and 13,009.48

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Solution

The fourth proportional to 18,394.00, 25,353.38 and 13,009.48 is: 17,931.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.00 : 25,353.38 = 13,009.48 : x
  2. Step 2: Convert to fraction form
    18,394.00/25,353.38 = 13,009.48/x
  3. Step 3: Cross multiply
    18,394.00x = 25,353.38 × 13,009.48
  4. Step 4: Simplify right side
    18,394.00x = 329,834,259.18
  5. Step 5: Solve for x
    x = 329,834,259.18/18,394.00
  6. Step 6: Final answer
    x = 17,931.62

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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.