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Finding the Fourth Proportional to 12,495, 17,239.08 and 7,460.04

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Solution

The fourth proportional to 12,495, 17,239.08 and 7,460.04 is: 10,292.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495 : 17,239.08 = 7,460.04 : x
  2. Step 2: Convert to fraction form
    12,495/17,239.08 = 7,460.04/x
  3. Step 3: Cross multiply
    12,495x = 17,239.08 × 7,460.04
  4. Step 4: Simplify right side
    12,495x = 128,604,226.36
  5. Step 5: Solve for x
    x = 128,604,226.36/12,495
  6. Step 6: Final answer
    x = 10,292.46

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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.