Home / 15,480.99-23,230.67-5,621.00

Finding the Fourth Proportional to 15,480.99, 23,230.67 and 5,621.00

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Solution

The fourth proportional to 15,480.99, 23,230.67 and 5,621.00 is: 8,434.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,480.99 : 23,230.67 = 5,621.00 : x
  2. Step 2: Convert to fraction form
    15,480.99/23,230.67 = 5,621.00/x
  3. Step 3: Cross multiply
    15,480.99x = 23,230.67 × 5,621.00
  4. Step 4: Simplify right side
    15,480.99x = 130,579,451.81
  5. Step 5: Solve for x
    x = 130,579,451.81/15,480.99
  6. Step 6: Final answer
    x = 8,434.83

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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.