Home / 14,006.71-21,010.32-4,145.98

Finding the Fourth Proportional to 14,006.71, 21,010.32 and 4,145.98

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Solution

The fourth proportional to 14,006.71, 21,010.32 and 4,145.98 is: 6,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.71 : 21,010.32 = 4,145.98 : x
  2. Step 2: Convert to fraction form
    14,006.71/21,010.32 = 4,145.98/x
  3. Step 3: Cross multiply
    14,006.71x = 21,010.32 × 4,145.98
  4. Step 4: Simplify right side
    14,006.71x = 87,108,366.51
  5. Step 5: Solve for x
    x = 87,108,366.51/14,006.71
  6. Step 6: Final answer
    x = 6,219.05

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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.