Home / 20,395.12-30,587.08-5,600.53

Finding the Fourth Proportional to 20,395.12, 30,587.08 and 5,600.53

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Solution

The fourth proportional to 20,395.12, 30,587.08 and 5,600.53 is: 8,399.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,395.12 : 30,587.08 = 5,600.53 : x
  2. Step 2: Convert to fraction form
    20,395.12/30,587.08 = 5,600.53/x
  3. Step 3: Cross multiply
    20,395.12x = 30,587.08 × 5,600.53
  4. Step 4: Simplify right side
    20,395.12x = 171,303,692.22
  5. Step 5: Solve for x
    x = 171,303,692.22/20,395.12
  6. Step 6: Final answer
    x = 8,399.25

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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.