Home / 13,326.93-18,391.04-7,358.47

Finding the Fourth Proportional to 13,326.93, 18,391.04 and 7,358.47

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Solution

The fourth proportional to 13,326.93, 18,391.04 and 7,358.47 is: 10,154.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.93 : 18,391.04 = 7,358.47 : x
  2. Step 2: Convert to fraction form
    13,326.93/18,391.04 = 7,358.47/x
  3. Step 3: Cross multiply
    13,326.93x = 18,391.04 × 7,358.47
  4. Step 4: Simplify right side
    13,326.93x = 135,329,925.29
  5. Step 5: Solve for x
    x = 135,329,925.29/13,326.93
  6. Step 6: Final answer
    x = 10,154.62

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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.