Home / 22,507.76-31,062.52-12,437.07

Finding the Fourth Proportional to 22,507.76, 31,062.52 and 12,437.07

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Solution

The fourth proportional to 22,507.76, 31,062.52 and 12,437.07 is: 17,164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,507.76 : 31,062.52 = 12,437.07 : x
  2. Step 2: Convert to fraction form
    22,507.76/31,062.52 = 12,437.07/x
  3. Step 3: Cross multiply
    22,507.76x = 31,062.52 × 12,437.07
  4. Step 4: Simplify right side
    22,507.76x = 386,326,735.62
  5. Step 5: Solve for x
    x = 386,326,735.62/22,507.76
  6. Step 6: Final answer
    x = 17,164.16

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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.