Home / 12,458.07-17,195.48-8,423.06

Finding the Fourth Proportional to 12,458.07, 17,195.48 and 8,423.06

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Solution

The fourth proportional to 12,458.07, 17,195.48 and 8,423.06 is: 11,626.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458.07 : 17,195.48 = 8,423.06 : x
  2. Step 2: Convert to fraction form
    12,458.07/17,195.48 = 8,423.06/x
  3. Step 3: Cross multiply
    12,458.07x = 17,195.48 × 8,423.06
  4. Step 4: Simplify right side
    12,458.07x = 144,838,463.26
  5. Step 5: Solve for x
    x = 144,838,463.26/12,458.07
  6. Step 6: Final answer
    x = 11,626.08

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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.