Home / 22,749.88-31,396.66-12,681.58

Finding the Fourth Proportional to 22,749.88, 31,396.66 and 12,681.58

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Solution

The fourth proportional to 22,749.88, 31,396.66 and 12,681.58 is: 17,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,749.88 : 31,396.66 = 12,681.58 : x
  2. Step 2: Convert to fraction form
    22,749.88/31,396.66 = 12,681.58/x
  3. Step 3: Cross multiply
    22,749.88x = 31,396.66 × 12,681.58
  4. Step 4: Simplify right side
    22,749.88x = 398,159,255.52
  5. Step 5: Solve for x
    x = 398,159,255.52/22,749.88
  6. Step 6: Final answer
    x = 17,501.60

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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.