Home / 15,103.30-22,643.72-9,181.40

Finding the Fourth Proportional to 15,103.30, 22,643.72 and 9,181.40

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Solution

The fourth proportional to 15,103.30, 22,643.72 and 9,181.40 is: 13,765.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,103.30 : 22,643.72 = 9,181.40 : x
  2. Step 2: Convert to fraction form
    15,103.30/22,643.72 = 9,181.40/x
  3. Step 3: Cross multiply
    15,103.30x = 22,643.72 × 9,181.40
  4. Step 4: Simplify right side
    15,103.30x = 207,901,050.81
  5. Step 5: Solve for x
    x = 207,901,050.81/15,103.30
  6. Step 6: Final answer
    x = 13,765.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.