Home / 22,018.96-33,038.16-10,331.20

Finding the Fourth Proportional to 22,018.96, 33,038.16 and 10,331.20

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Solution

The fourth proportional to 22,018.96, 33,038.16 and 10,331.20 is: 15,501.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,018.96 : 33,038.16 = 10,331.20 : x
  2. Step 2: Convert to fraction form
    22,018.96/33,038.16 = 10,331.20/x
  3. Step 3: Cross multiply
    22,018.96x = 33,038.16 × 10,331.20
  4. Step 4: Simplify right side
    22,018.96x = 341,323,838.59
  5. Step 5: Solve for x
    x = 341,323,838.59/22,018.96
  6. Step 6: Final answer
    x = 15,501.36

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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.