Home / 13,703.73-20,547.61-5,373.98

Finding the Fourth Proportional to 13,703.73, 20,547.61 and 5,373.98

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Solution

The fourth proportional to 13,703.73, 20,547.61 and 5,373.98 is: 8,057.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.73 : 20,547.61 = 5,373.98 : x
  2. Step 2: Convert to fraction form
    13,703.73/20,547.61 = 5,373.98/x
  3. Step 3: Cross multiply
    13,703.73x = 20,547.61 × 5,373.98
  4. Step 4: Simplify right side
    13,703.73x = 110,422,445.19
  5. Step 5: Solve for x
    x = 110,422,445.19/13,703.73
  6. Step 6: Final answer
    x = 8,057.84

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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.