Home / 19,389.72-29,084.58-5,349.86

Finding the Fourth Proportional to 19,389.72, 29,084.58 and 5,349.86

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Solution

The fourth proportional to 19,389.72, 29,084.58 and 5,349.86 is: 8,024.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.72 : 29,084.58 = 5,349.86 : x
  2. Step 2: Convert to fraction form
    19,389.72/29,084.58 = 5,349.86/x
  3. Step 3: Cross multiply
    19,389.72x = 29,084.58 × 5,349.86
  4. Step 4: Simplify right side
    19,389.72x = 155,598,431.16
  5. Step 5: Solve for x
    x = 155,598,431.16/19,389.72
  6. Step 6: Final answer
    x = 8,024.79

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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.