Home / 21,395.81-32,104.76-9,553.21

Finding the Fourth Proportional to 21,395.81, 32,104.76 and 9,553.21

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Solution

The fourth proportional to 21,395.81, 32,104.76 and 9,553.21 is: 14,334.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.81 : 32,104.76 = 9,553.21 : x
  2. Step 2: Convert to fraction form
    21,395.81/32,104.76 = 9,553.21/x
  3. Step 3: Cross multiply
    21,395.81x = 32,104.76 × 9,553.21
  4. Step 4: Simplify right side
    21,395.81x = 306,703,386.25
  5. Step 5: Solve for x
    x = 306,703,386.25/21,395.81
  6. Step 6: Final answer
    x = 14,334.74

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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.