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Finding the Fourth Proportional to 12,507.91, 17,260.91 and 7,203.75

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Solution

The fourth proportional to 12,507.91, 17,260.91 and 7,203.75 is: 9,941.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507.91 : 17,260.91 = 7,203.75 : x
  2. Step 2: Convert to fraction form
    12,507.91/17,260.91 = 7,203.75/x
  3. Step 3: Cross multiply
    12,507.91x = 17,260.91 × 7,203.75
  4. Step 4: Simplify right side
    12,507.91x = 124,343,280.41
  5. Step 5: Solve for x
    x = 124,343,280.41/12,507.91
  6. Step 6: Final answer
    x = 9,941.17

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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.