Home / 16,389.44-22,619.34-9,316.92

Finding the Fourth Proportional to 16,389.44, 22,619.34 and 9,316.92

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Solution

The fourth proportional to 16,389.44, 22,619.34 and 9,316.92 is: 12,858.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.44 : 22,619.34 = 9,316.92 : x
  2. Step 2: Convert to fraction form
    16,389.44/22,619.34 = 9,316.92/x
  3. Step 3: Cross multiply
    16,389.44x = 22,619.34 × 9,316.92
  4. Step 4: Simplify right side
    16,389.44x = 210,742,581.23
  5. Step 5: Solve for x
    x = 210,742,581.23/16,389.44
  6. Step 6: Final answer
    x = 12,858.44

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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.