Home / 13,357.88-20,030.10-4,590.20

Finding the Fourth Proportional to 13,357.88, 20,030.10 and 4,590.20

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Solution

The fourth proportional to 13,357.88, 20,030.10 and 4,590.20 is: 6,882.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.88 : 20,030.10 = 4,590.20 : x
  2. Step 2: Convert to fraction form
    13,357.88/20,030.10 = 4,590.20/x
  3. Step 3: Cross multiply
    13,357.88x = 20,030.10 × 4,590.20
  4. Step 4: Simplify right side
    13,357.88x = 91,942,165.02
  5. Step 5: Solve for x
    x = 91,942,165.02/13,357.88
  6. Step 6: Final answer
    x = 6,882.99

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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.