Home / 19,862.82-27,423.54-12,317.18

Finding the Fourth Proportional to 19,862.82, 27,423.54 and 12,317.18

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Solution

The fourth proportional to 19,862.82, 27,423.54 and 12,317.18 is: 17,005.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.82 : 27,423.54 = 12,317.18 : x
  2. Step 2: Convert to fraction form
    19,862.82/27,423.54 = 12,317.18/x
  3. Step 3: Cross multiply
    19,862.82x = 27,423.54 × 12,317.18
  4. Step 4: Simplify right side
    19,862.82x = 337,780,541.30
  5. Step 5: Solve for x
    x = 337,780,541.30/19,862.82
  6. Step 6: Final answer
    x = 17,005.67

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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.