Home / 20,389.16-30,583.77-5,598.26

Finding the Fourth Proportional to 20,389.16, 30,583.77 and 5,598.26

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Solution

The fourth proportional to 20,389.16, 30,583.77 and 5,598.26 is: 8,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,389.16 : 30,583.77 = 5,598.26 : x
  2. Step 2: Convert to fraction form
    20,389.16/30,583.77 = 5,598.26/x
  3. Step 3: Cross multiply
    20,389.16x = 30,583.77 × 5,598.26
  4. Step 4: Simplify right side
    20,389.16x = 171,215,896.24
  5. Step 5: Solve for x
    x = 171,215,896.24/20,389.16
  6. Step 6: Final answer
    x = 8,397.40

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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.