Home / 22,609.41-31,201.35-12,538.26

Finding the Fourth Proportional to 22,609.41, 31,201.35 and 12,538.26

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Solution

The fourth proportional to 22,609.41, 31,201.35 and 12,538.26 is: 17,303.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,609.41 : 31,201.35 = 12,538.26 : x
  2. Step 2: Convert to fraction form
    22,609.41/31,201.35 = 12,538.26/x
  3. Step 3: Cross multiply
    22,609.41x = 31,201.35 × 12,538.26
  4. Step 4: Simplify right side
    22,609.41x = 391,210,638.65
  5. Step 5: Solve for x
    x = 391,210,638.65/22,609.41
  6. Step 6: Final answer
    x = 17,303.00

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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.