Home / 15,308.36-22,940.63-8,720.93

Finding the Fourth Proportional to 15,308.36, 22,940.63 and 8,720.93

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Solution

The fourth proportional to 15,308.36, 22,940.63 and 8,720.93 is: 13,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,308.36 : 22,940.63 = 8,720.93 : x
  2. Step 2: Convert to fraction form
    15,308.36/22,940.63 = 8,720.93/x
  3. Step 3: Cross multiply
    15,308.36x = 22,940.63 × 8,720.93
  4. Step 4: Simplify right side
    15,308.36x = 200,063,674.84
  5. Step 5: Solve for x
    x = 200,063,674.84/15,308.36
  6. Step 6: Final answer
    x = 13,068.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.