Home / 15,150.84-22,697.10-12,380.64

Finding the Fourth Proportional to 15,150.84, 22,697.10 and 12,380.64

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Solution

The fourth proportional to 15,150.84, 22,697.10 and 12,380.64 is: 18,547.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150.84 : 22,697.10 = 12,380.64 : x
  2. Step 2: Convert to fraction form
    15,150.84/22,697.10 = 12,380.64/x
  3. Step 3: Cross multiply
    15,150.84x = 22,697.10 × 12,380.64
  4. Step 4: Simplify right side
    15,150.84x = 281,004,624.14
  5. Step 5: Solve for x
    x = 281,004,624.14/15,150.84
  6. Step 6: Final answer
    x = 18,547.13

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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.