Home / 13,632.23-18,826.76-9,394.31

Finding the Fourth Proportional to 13,632.23, 18,826.76 and 9,394.31

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Solution

The fourth proportional to 13,632.23, 18,826.76 and 9,394.31 is: 12,973.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.23 : 18,826.76 = 9,394.31 : x
  2. Step 2: Convert to fraction form
    13,632.23/18,826.76 = 9,394.31/x
  3. Step 3: Cross multiply
    13,632.23x = 18,826.76 × 9,394.31
  4. Step 4: Simplify right side
    13,632.23x = 176,864,419.74
  5. Step 5: Solve for x
    x = 176,864,419.74/13,632.23
  6. Step 6: Final answer
    x = 12,973.99

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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.