Home / 19,416.24-29,130.84-8,318.16

Finding the Fourth Proportional to 19,416.24, 29,130.84 and 8,318.16

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Solution

The fourth proportional to 19,416.24, 29,130.84 and 8,318.16 is: 12,480.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,416.24 : 29,130.84 = 8,318.16 : x
  2. Step 2: Convert to fraction form
    19,416.24/29,130.84 = 8,318.16/x
  3. Step 3: Cross multiply
    19,416.24x = 29,130.84 × 8,318.16
  4. Step 4: Simplify right side
    19,416.24x = 242,314,988.05
  5. Step 5: Solve for x
    x = 242,314,988.05/19,416.24
  6. Step 6: Final answer
    x = 12,480.02

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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.