Home / 12,630.04-17,428.26-7,323.64

Finding the Fourth Proportional to 12,630.04, 17,428.26 and 7,323.64

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Solution

The fourth proportional to 12,630.04, 17,428.26 and 7,323.64 is: 10,105.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,630.04 : 17,428.26 = 7,323.64 : x
  2. Step 2: Convert to fraction form
    12,630.04/17,428.26 = 7,323.64/x
  3. Step 3: Cross multiply
    12,630.04x = 17,428.26 × 7,323.64
  4. Step 4: Simplify right side
    12,630.04x = 127,638,302.07
  5. Step 5: Solve for x
    x = 127,638,302.07/12,630.04
  6. Step 6: Final answer
    x = 10,105.93

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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.