Home / 13,284.23-18,332.46-7,315.47

Finding the Fourth Proportional to 13,284.23, 18,332.46 and 7,315.47

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Solution

The fourth proportional to 13,284.23, 18,332.46 and 7,315.47 is: 10,095.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.23 : 18,332.46 = 7,315.47 : x
  2. Step 2: Convert to fraction form
    13,284.23/18,332.46 = 7,315.47/x
  3. Step 3: Cross multiply
    13,284.23x = 18,332.46 × 7,315.47
  4. Step 4: Simplify right side
    13,284.23x = 134,110,561.16
  5. Step 5: Solve for x
    x = 134,110,561.16/13,284.23
  6. Step 6: Final answer
    x = 10,095.47

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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.