Home / 13,109.24-19,669.62-4,345.40

Finding the Fourth Proportional to 13,109.24, 19,669.62 and 4,345.40

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Solution

The fourth proportional to 13,109.24, 19,669.62 and 4,345.40 is: 6,520.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,109.24 : 19,669.62 = 4,345.40 : x
  2. Step 2: Convert to fraction form
    13,109.24/19,669.62 = 4,345.40/x
  3. Step 3: Cross multiply
    13,109.24x = 19,669.62 × 4,345.40
  4. Step 4: Simplify right side
    13,109.24x = 85,472,366.75
  5. Step 5: Solve for x
    x = 85,472,366.75/13,109.24
  6. Step 6: Final answer
    x = 6,520.01

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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.