Home / 18,289.04-25,238.30-10,330.79

Finding the Fourth Proportional to 18,289.04, 25,238.30 and 10,330.79

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Solution

The fourth proportional to 18,289.04, 25,238.30 and 10,330.79 is: 14,256.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.04 : 25,238.30 = 10,330.79 : x
  2. Step 2: Convert to fraction form
    18,289.04/25,238.30 = 10,330.79/x
  3. Step 3: Cross multiply
    18,289.04x = 25,238.30 × 10,330.79
  4. Step 4: Simplify right side
    18,289.04x = 260,731,399.41
  5. Step 5: Solve for x
    x = 260,731,399.41/18,289.04
  6. Step 6: Final answer
    x = 14,256.16

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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.