Home / 13,295.19-18,347.39-7,326.72

Finding the Fourth Proportional to 13,295.19, 18,347.39 and 7,326.72

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Solution

The fourth proportional to 13,295.19, 18,347.39 and 7,326.72 is: 10,110.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.19 : 18,347.39 = 7,326.72 : x
  2. Step 2: Convert to fraction form
    13,295.19/18,347.39 = 7,326.72/x
  3. Step 3: Cross multiply
    13,295.19x = 18,347.39 × 7,326.72
  4. Step 4: Simplify right side
    13,295.19x = 134,426,152.63
  5. Step 5: Solve for x
    x = 134,426,152.63/13,295.19
  6. Step 6: Final answer
    x = 10,110.89

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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.