Home / 13,210.10-19,815.18-3,349.38

Finding the Fourth Proportional to 13,210.10, 19,815.18 and 3,349.38

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Solution

The fourth proportional to 13,210.10, 19,815.18 and 3,349.38 is: 5,024.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.10 : 19,815.18 = 3,349.38 : x
  2. Step 2: Convert to fraction form
    13,210.10/19,815.18 = 3,349.38/x
  3. Step 3: Cross multiply
    13,210.10x = 19,815.18 × 3,349.38
  4. Step 4: Simplify right side
    13,210.10x = 66,368,567.59
  5. Step 5: Solve for x
    x = 66,368,567.59/13,210.10
  6. Step 6: Final answer
    x = 5,024.08

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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.