Home / 13,699.86-20,547.89-5,907.66

Finding the Fourth Proportional to 13,699.86, 20,547.89 and 5,907.66

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Solution

The fourth proportional to 13,699.86, 20,547.89 and 5,907.66 is: 8,860.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699.86 : 20,547.89 = 5,907.66 : x
  2. Step 2: Convert to fraction form
    13,699.86/20,547.89 = 5,907.66/x
  3. Step 3: Cross multiply
    13,699.86x = 20,547.89 × 5,907.66
  4. Step 4: Simplify right side
    13,699.86x = 121,389,947.84
  5. Step 5: Solve for x
    x = 121,389,947.84/13,699.86
  6. Step 6: Final answer
    x = 8,860.67

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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.