Home / 14,503.24-20,003.16-9,721.61

Finding the Fourth Proportional to 14,503.24, 20,003.16 and 9,721.61

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Solution

The fourth proportional to 14,503.24, 20,003.16 and 9,721.61 is: 13,408.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503.24 : 20,003.16 = 9,721.61 : x
  2. Step 2: Convert to fraction form
    14,503.24/20,003.16 = 9,721.61/x
  3. Step 3: Cross multiply
    14,503.24x = 20,003.16 × 9,721.61
  4. Step 4: Simplify right side
    14,503.24x = 194,462,920.29
  5. Step 5: Solve for x
    x = 194,462,920.29/14,503.24
  6. Step 6: Final answer
    x = 13,408.24

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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.