Home / 14,006.48-21,010.66-5,686.43

Finding the Fourth Proportional to 14,006.48, 21,010.66 and 5,686.43

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Solution

The fourth proportional to 14,006.48, 21,010.66 and 5,686.43 is: 8,530.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.48 : 21,010.66 = 5,686.43 : x
  2. Step 2: Convert to fraction form
    14,006.48/21,010.66 = 5,686.43/x
  3. Step 3: Cross multiply
    14,006.48x = 21,010.66 × 5,686.43
  4. Step 4: Simplify right side
    14,006.48x = 119,475,528.07
  5. Step 5: Solve for x
    x = 119,475,528.07/14,006.48
  6. Step 6: Final answer
    x = 8,530.02

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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.