Home / 13,508.99-20,263.55-4,148.90

Finding the Fourth Proportional to 13,508.99, 20,263.55 and 4,148.90

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Solution

The fourth proportional to 13,508.99, 20,263.55 and 4,148.90 is: 6,223.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.99 : 20,263.55 = 4,148.90 : x
  2. Step 2: Convert to fraction form
    13,508.99/20,263.55 = 4,148.90/x
  3. Step 3: Cross multiply
    13,508.99x = 20,263.55 × 4,148.90
  4. Step 4: Simplify right side
    13,508.99x = 84,071,320.53
  5. Step 5: Solve for x
    x = 84,071,320.53/13,508.99
  6. Step 6: Final answer
    x = 6,223.36

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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.