Home / 13,354.11-18,428.67-7,304.40

Finding the Fourth Proportional to 13,354.11, 18,428.67 and 7,304.40

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Solution

The fourth proportional to 13,354.11, 18,428.67 and 7,304.40 is: 10,080.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.11 : 18,428.67 = 7,304.40 : x
  2. Step 2: Convert to fraction form
    13,354.11/18,428.67 = 7,304.40/x
  3. Step 3: Cross multiply
    13,354.11x = 18,428.67 × 7,304.40
  4. Step 4: Simplify right side
    13,354.11x = 134,610,377.15
  5. Step 5: Solve for x
    x = 134,610,377.15/13,354.11
  6. Step 6: Final answer
    x = 10,080.07

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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.