Home / 12,333.47-17,020.64-7,028.15

Finding the Fourth Proportional to 12,333.47, 17,020.64 and 7,028.15

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Solution

The fourth proportional to 12,333.47, 17,020.64 and 7,028.15 is: 9,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,333.47 : 17,020.64 = 7,028.15 : x
  2. Step 2: Convert to fraction form
    12,333.47/17,020.64 = 7,028.15/x
  3. Step 3: Cross multiply
    12,333.47x = 17,020.64 × 7,028.15
  4. Step 4: Simplify right side
    12,333.47x = 119,623,543.48
  5. Step 5: Solve for x
    x = 119,623,543.48/12,333.47
  6. Step 6: Final answer
    x = 9,699.10

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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.