Home / 13,916.74-20,875.14-3,528.46

Finding the Fourth Proportional to 13,916.74, 20,875.14 and 3,528.46

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Solution

The fourth proportional to 13,916.74, 20,875.14 and 3,528.46 is: 5,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.74 : 20,875.14 = 3,528.46 : x
  2. Step 2: Convert to fraction form
    13,916.74/20,875.14 = 3,528.46/x
  3. Step 3: Cross multiply
    13,916.74x = 20,875.14 × 3,528.46
  4. Step 4: Simplify right side
    13,916.74x = 73,657,096.48
  5. Step 5: Solve for x
    x = 73,657,096.48/13,916.74
  6. Step 6: Final answer
    x = 5,292.70

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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.