Home / 14,007.78-19,331.37-8,038.98

Finding the Fourth Proportional to 14,007.78, 19,331.37 and 8,038.98

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Solution

The fourth proportional to 14,007.78, 19,331.37 and 8,038.98 is: 11,094.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.78 : 19,331.37 = 8,038.98 : x
  2. Step 2: Convert to fraction form
    14,007.78/19,331.37 = 8,038.98/x
  3. Step 3: Cross multiply
    14,007.78x = 19,331.37 × 8,038.98
  4. Step 4: Simplify right side
    14,007.78x = 155,404,496.80
  5. Step 5: Solve for x
    x = 155,404,496.80/14,007.78
  6. Step 6: Final answer
    x = 11,094.16

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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.