Home / 13,955.04-20,830.92-12,927.12

Finding the Fourth Proportional to 13,955.04, 20,830.92 and 12,927.12

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Solution

The fourth proportional to 13,955.04, 20,830.92 and 12,927.12 is: 19,296.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.04 : 20,830.92 = 12,927.12 : x
  2. Step 2: Convert to fraction form
    13,955.04/20,830.92 = 12,927.12/x
  3. Step 3: Cross multiply
    13,955.04x = 20,830.92 × 12,927.12
  4. Step 4: Simplify right side
    13,955.04x = 269,283,802.55
  5. Step 5: Solve for x
    x = 269,283,802.55/13,955.04
  6. Step 6: Final answer
    x = 19,296.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.