Home / 13,117.65-19,671.39-4,350.21

Finding the Fourth Proportional to 13,117.65, 19,671.39 and 4,350.21

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Solution

The fourth proportional to 13,117.65, 19,671.39 and 4,350.21 is: 6,523.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.65 : 19,671.39 = 4,350.21 : x
  2. Step 2: Convert to fraction form
    13,117.65/19,671.39 = 4,350.21/x
  3. Step 3: Cross multiply
    13,117.65x = 19,671.39 × 4,350.21
  4. Step 4: Simplify right side
    13,117.65x = 85,574,677.49
  5. Step 5: Solve for x
    x = 85,574,677.49/13,117.65
  6. Step 6: Final answer
    x = 6,523.63

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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.