Home / 21,395.09-32,065.90-10,298.83

Finding the Fourth Proportional to 21,395.09, 32,065.90 and 10,298.83

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Solution

The fourth proportional to 21,395.09, 32,065.90 and 10,298.83 is: 15,435.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.09 : 32,065.90 = 10,298.83 : x
  2. Step 2: Convert to fraction form
    21,395.09/32,065.90 = 10,298.83/x
  3. Step 3: Cross multiply
    21,395.09x = 32,065.90 × 10,298.83
  4. Step 4: Simplify right side
    21,395.09x = 330,241,146.99
  5. Step 5: Solve for x
    x = 330,241,146.99/21,395.09
  6. Step 6: Final answer
    x = 15,435.37

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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.