Home / 19,459.78-29,190.41-6,807.07

Finding the Fourth Proportional to 19,459.78, 29,190.41 and 6,807.07

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Solution

The fourth proportional to 19,459.78, 29,190.41 and 6,807.07 is: 10,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.78 : 29,190.41 = 6,807.07 : x
  2. Step 2: Convert to fraction form
    19,459.78/29,190.41 = 6,807.07/x
  3. Step 3: Cross multiply
    19,459.78x = 29,190.41 × 6,807.07
  4. Step 4: Simplify right side
    19,459.78x = 198,701,192.18
  5. Step 5: Solve for x
    x = 198,701,192.18/19,459.78
  6. Step 6: Final answer
    x = 10,210.87

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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.