Home / 13,756.74-20,641.98-5,864.40

Finding the Fourth Proportional to 13,756.74, 20,641.98 and 5,864.40

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Solution

The fourth proportional to 13,756.74, 20,641.98 and 5,864.40 is: 8,799.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.74 : 20,641.98 = 5,864.40 : x
  2. Step 2: Convert to fraction form
    13,756.74/20,641.98 = 5,864.40/x
  3. Step 3: Cross multiply
    13,756.74x = 20,641.98 × 5,864.40
  4. Step 4: Simplify right side
    13,756.74x = 121,052,827.51
  5. Step 5: Solve for x
    x = 121,052,827.51/13,756.74
  6. Step 6: Final answer
    x = 8,799.53

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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.