Home / 10,298.75-14,212.19-5,582.99

Finding the Fourth Proportional to 10,298.75, 14,212.19 and 5,582.99

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Solution

The fourth proportional to 10,298.75, 14,212.19 and 5,582.99 is: 7,704.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,298.75 : 14,212.19 = 5,582.99 : x
  2. Step 2: Convert to fraction form
    10,298.75/14,212.19 = 5,582.99/x
  3. Step 3: Cross multiply
    10,298.75x = 14,212.19 × 5,582.99
  4. Step 4: Simplify right side
    10,298.75x = 79,346,564.14
  5. Step 5: Solve for x
    x = 79,346,564.14/10,298.75
  6. Step 6: Final answer
    x = 7,704.49

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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.