Home / 19,389.75-29,084.85-6,242.10

Finding the Fourth Proportional to 19,389.75, 29,084.85 and 6,242.10

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Solution

The fourth proportional to 19,389.75, 29,084.85 and 6,242.10 is: 9,363.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.75 : 29,084.85 = 6,242.10 : x
  2. Step 2: Convert to fraction form
    19,389.75/29,084.85 = 6,242.10/x
  3. Step 3: Cross multiply
    19,389.75x = 29,084.85 × 6,242.10
  4. Step 4: Simplify right side
    19,389.75x = 181,550,542.19
  5. Step 5: Solve for x
    x = 181,550,542.19/19,389.75
  6. Step 6: Final answer
    x = 9,363.22

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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.