Home / 10,369.98-15,550.40-2,972.76

Finding the Fourth Proportional to 10,369.98, 15,550.40 and 2,972.76

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Solution

The fourth proportional to 10,369.98, 15,550.40 and 2,972.76 is: 4,457.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.98 : 15,550.40 = 2,972.76 : x
  2. Step 2: Convert to fraction form
    10,369.98/15,550.40 = 2,972.76/x
  3. Step 3: Cross multiply
    10,369.98x = 15,550.40 × 2,972.76
  4. Step 4: Simplify right side
    10,369.98x = 46,227,592.24
  5. Step 5: Solve for x
    x = 46,227,592.24/10,369.98
  6. Step 6: Final answer
    x = 4,457.83

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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.