Home / 13,495.14-18,622.71-9,957.06

Finding the Fourth Proportional to 13,495.14, 18,622.71 and 9,957.06

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Solution

The fourth proportional to 13,495.14, 18,622.71 and 9,957.06 is: 13,740.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.14 : 18,622.71 = 9,957.06 : x
  2. Step 2: Convert to fraction form
    13,495.14/18,622.71 = 9,957.06/x
  3. Step 3: Cross multiply
    13,495.14x = 18,622.71 × 9,957.06
  4. Step 4: Simplify right side
    13,495.14x = 185,427,440.83
  5. Step 5: Solve for x
    x = 185,427,440.83/13,495.14
  6. Step 6: Final answer
    x = 13,740.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.