Home / 13,987.86-20,896.68-10,007.52

Finding the Fourth Proportional to 13,987.86, 20,896.68 and 10,007.52

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Solution

The fourth proportional to 13,987.86, 20,896.68 and 10,007.52 is: 14,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,987.86 : 20,896.68 = 10,007.52 : x
  2. Step 2: Convert to fraction form
    13,987.86/20,896.68 = 10,007.52/x
  3. Step 3: Cross multiply
    13,987.86x = 20,896.68 × 10,007.52
  4. Step 4: Simplify right side
    13,987.86x = 209,123,943.03
  5. Step 5: Solve for x
    x = 209,123,943.03/13,987.86
  6. Step 6: Final answer
    x = 14,950.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.