Home / 12,477.51-17,195.29-8,934.57

Finding the Fourth Proportional to 12,477.51, 17,195.29 and 8,934.57

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Solution

The fourth proportional to 12,477.51, 17,195.29 and 8,934.57 is: 12,312.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477.51 : 17,195.29 = 8,934.57 : x
  2. Step 2: Convert to fraction form
    12,477.51/17,195.29 = 8,934.57/x
  3. Step 3: Cross multiply
    12,477.51x = 17,195.29 × 8,934.57
  4. Step 4: Simplify right side
    12,477.51x = 153,632,499.84
  5. Step 5: Solve for x
    x = 153,632,499.84/12,477.51
  6. Step 6: Final answer
    x = 12,312.75

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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.