Home / 13,955.02-20,931.68-4,949.58

Finding the Fourth Proportional to 13,955.02, 20,931.68 and 4,949.58

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Solution

The fourth proportional to 13,955.02, 20,931.68 and 4,949.58 is: 7,424.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.02 : 20,931.68 = 4,949.58 : x
  2. Step 2: Convert to fraction form
    13,955.02/20,931.68 = 4,949.58/x
  3. Step 3: Cross multiply
    13,955.02x = 20,931.68 × 4,949.58
  4. Step 4: Simplify right side
    13,955.02x = 103,602,895.29
  5. Step 5: Solve for x
    x = 103,602,895.29/13,955.02
  6. Step 6: Final answer
    x = 7,424.06

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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.