Home / 13,284.42-18,332.25-7,315.96

Finding the Fourth Proportional to 13,284.42, 18,332.25 and 7,315.96

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Solution

The fourth proportional to 13,284.42, 18,332.25 and 7,315.96 is: 10,095.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.42 : 18,332.25 = 7,315.96 : x
  2. Step 2: Convert to fraction form
    13,284.42/18,332.25 = 7,315.96/x
  3. Step 3: Cross multiply
    13,284.42x = 18,332.25 × 7,315.96
  4. Step 4: Simplify right side
    13,284.42x = 134,118,007.71
  5. Step 5: Solve for x
    x = 134,118,007.71/13,284.42
  6. Step 6: Final answer
    x = 10,095.89

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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.