Home / 21,360.36-32,018.25-7,316.25

Finding the Fourth Proportional to 21,360.36, 32,018.25 and 7,316.25

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Solution

The fourth proportional to 21,360.36, 32,018.25 and 7,316.25 is: 10,966.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,360.36 : 32,018.25 = 7,316.25 : x
  2. Step 2: Convert to fraction form
    21,360.36/32,018.25 = 7,316.25/x
  3. Step 3: Cross multiply
    21,360.36x = 32,018.25 × 7,316.25
  4. Step 4: Simplify right side
    21,360.36x = 234,253,521.56
  5. Step 5: Solve for x
    x = 234,253,521.56/21,360.36
  6. Step 6: Final answer
    x = 10,966.74

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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.