Home / 19,192.78-26,487.66-10,810.90

Finding the Fourth Proportional to 19,192.78, 26,487.66 and 10,810.90

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Solution

The fourth proportional to 19,192.78, 26,487.66 and 10,810.90 is: 14,919.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192.78 : 26,487.66 = 10,810.90 : x
  2. Step 2: Convert to fraction form
    19,192.78/26,487.66 = 10,810.90/x
  3. Step 3: Cross multiply
    19,192.78x = 26,487.66 × 10,810.90
  4. Step 4: Simplify right side
    19,192.78x = 286,355,443.49
  5. Step 5: Solve for x
    x = 286,355,443.49/19,192.78
  6. Step 6: Final answer
    x = 14,919.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.