Home / 13,284.22-18,332.02-7,315.89

Finding the Fourth Proportional to 13,284.22, 18,332.02 and 7,315.89

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Solution

The fourth proportional to 13,284.22, 18,332.02 and 7,315.89 is: 10,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.22 : 18,332.02 = 7,315.89 : x
  2. Step 2: Convert to fraction form
    13,284.22/18,332.02 = 7,315.89/x
  3. Step 3: Cross multiply
    13,284.22x = 18,332.02 × 7,315.89
  4. Step 4: Simplify right side
    13,284.22x = 134,114,950.14
  5. Step 5: Solve for x
    x = 134,114,950.14/13,284.22
  6. Step 6: Final answer
    x = 10,095.81

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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.