Home / 10,389.09-15,582.06-3,368.19

Finding the Fourth Proportional to 10,389.09, 15,582.06 and 3,368.19

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Solution

The fourth proportional to 10,389.09, 15,582.06 and 3,368.19 is: 5,051.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.09 : 15,582.06 = 3,368.19 : x
  2. Step 2: Convert to fraction form
    10,389.09/15,582.06 = 3,368.19/x
  3. Step 3: Cross multiply
    10,389.09x = 15,582.06 × 3,368.19
  4. Step 4: Simplify right side
    10,389.09x = 52,483,338.67
  5. Step 5: Solve for x
    x = 52,483,338.67/10,389.09
  6. Step 6: Final answer
    x = 5,051.77

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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.