Home / 12,521.93-17,281.06-7,217.08

Finding the Fourth Proportional to 12,521.93, 17,281.06 and 7,217.08

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Solution

The fourth proportional to 12,521.93, 17,281.06 and 7,217.08 is: 9,960.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521.93 : 17,281.06 = 7,217.08 : x
  2. Step 2: Convert to fraction form
    12,521.93/17,281.06 = 7,217.08/x
  3. Step 3: Cross multiply
    12,521.93x = 17,281.06 × 7,217.08
  4. Step 4: Simplify right side
    12,521.93x = 124,718,731.26
  5. Step 5: Solve for x
    x = 124,718,731.26/12,521.93
  6. Step 6: Final answer
    x = 9,960.03

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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.