Home / 20,541.34-28,364.33-13,000.97

Finding the Fourth Proportional to 20,541.34, 28,364.33 and 13,000.97

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Solution

The fourth proportional to 20,541.34, 28,364.33 and 13,000.97 is: 17,952.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.34 : 28,364.33 = 13,000.97 : x
  2. Step 2: Convert to fraction form
    20,541.34/28,364.33 = 13,000.97/x
  3. Step 3: Cross multiply
    20,541.34x = 28,364.33 × 13,000.97
  4. Step 4: Simplify right side
    20,541.34x = 368,763,803.40
  5. Step 5: Solve for x
    x = 368,763,803.40/20,541.34
  6. Step 6: Final answer
    x = 17,952.28

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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.