Home / 13,332.58-18,397.25-7,668.25

Finding the Fourth Proportional to 13,332.58, 18,397.25 and 7,668.25

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Solution

The fourth proportional to 13,332.58, 18,397.25 and 7,668.25 is: 10,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.58 : 18,397.25 = 7,668.25 : x
  2. Step 2: Convert to fraction form
    13,332.58/18,397.25 = 7,668.25/x
  3. Step 3: Cross multiply
    13,332.58x = 18,397.25 × 7,668.25
  4. Step 4: Simplify right side
    13,332.58x = 141,074,712.31
  5. Step 5: Solve for x
    x = 141,074,712.31/13,332.58
  6. Step 6: Final answer
    x = 10,581.20

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Double scale
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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.