Home / 11,270.40-16,901.63-3,875.75

Finding the Fourth Proportional to 11,270.40, 16,901.63 and 3,875.75

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Solution

The fourth proportional to 11,270.40, 16,901.63 and 3,875.75 is: 5,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.40 : 16,901.63 = 3,875.75 : x
  2. Step 2: Convert to fraction form
    11,270.40/16,901.63 = 3,875.75/x
  3. Step 3: Cross multiply
    11,270.40x = 16,901.63 × 3,875.75
  4. Step 4: Simplify right side
    11,270.40x = 65,506,492.47
  5. Step 5: Solve for x
    x = 65,506,492.47/11,270.40
  6. Step 6: Final answer
    x = 5,812.26

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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.