Home / 13,521.08-20,262.18-5,719.16

Finding the Fourth Proportional to 13,521.08, 20,262.18 and 5,719.16

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Solution

The fourth proportional to 13,521.08, 20,262.18 and 5,719.16 is: 8,570.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521.08 : 20,262.18 = 5,719.16 : x
  2. Step 2: Convert to fraction form
    13,521.08/20,262.18 = 5,719.16/x
  3. Step 3: Cross multiply
    13,521.08x = 20,262.18 × 5,719.16
  4. Step 4: Simplify right side
    13,521.08x = 115,882,649.37
  5. Step 5: Solve for x
    x = 115,882,649.37/13,521.08
  6. Step 6: Final answer
    x = 8,570.52

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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.