Home / 17,386.20-23,992.74-9,428.40

Finding the Fourth Proportional to 17,386.20, 23,992.74 and 9,428.40

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Solution

The fourth proportional to 17,386.20, 23,992.74 and 9,428.40 is: 13,011.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,386.20 : 23,992.74 = 9,428.40 : x
  2. Step 2: Convert to fraction form
    17,386.20/23,992.74 = 9,428.40/x
  3. Step 3: Cross multiply
    17,386.20x = 23,992.74 × 9,428.40
  4. Step 4: Simplify right side
    17,386.20x = 226,213,149.82
  5. Step 5: Solve for x
    x = 226,213,149.82/17,386.20
  6. Step 6: Final answer
    x = 13,011.07

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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.