Home / 13,663.65-20,501.86-5,341.51

Finding the Fourth Proportional to 13,663.65, 20,501.86 and 5,341.51

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Solution

The fourth proportional to 13,663.65, 20,501.86 and 5,341.51 is: 8,014.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663.65 : 20,501.86 = 5,341.51 : x
  2. Step 2: Convert to fraction form
    13,663.65/20,501.86 = 5,341.51/x
  3. Step 3: Cross multiply
    13,663.65x = 20,501.86 × 5,341.51
  4. Step 4: Simplify right side
    13,663.65x = 109,510,825.60
  5. Step 5: Solve for x
    x = 109,510,825.60/13,663.65
  6. Step 6: Final answer
    x = 8,014.76

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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.