Home / 22,038.99-30,409.52-13,089.30

Finding the Fourth Proportional to 22,038.99, 30,409.52 and 13,089.30

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Solution

The fourth proportional to 22,038.99, 30,409.52 and 13,089.30 is: 18,060.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,038.99 : 30,409.52 = 13,089.30 : x
  2. Step 2: Convert to fraction form
    22,038.99/30,409.52 = 13,089.30/x
  3. Step 3: Cross multiply
    22,038.99x = 30,409.52 × 13,089.30
  4. Step 4: Simplify right side
    22,038.99x = 398,039,330.14
  5. Step 5: Solve for x
    x = 398,039,330.14/22,038.99
  6. Step 6: Final answer
    x = 18,060.69

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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.