Home / 14,015.94-19,341.21-8,710.71

Finding the Fourth Proportional to 14,015.94, 19,341.21 and 8,710.71

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Solution

The fourth proportional to 14,015.94, 19,341.21 and 8,710.71 is: 12,020.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.94 : 19,341.21 = 8,710.71 : x
  2. Step 2: Convert to fraction form
    14,015.94/19,341.21 = 8,710.71/x
  3. Step 3: Cross multiply
    14,015.94x = 19,341.21 × 8,710.71
  4. Step 4: Simplify right side
    14,015.94x = 168,475,671.36
  5. Step 5: Solve for x
    x = 168,475,671.36/14,015.94
  6. Step 6: Final answer
    x = 12,020.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.