Home / 15,165.37-20,938.04-14,224.35

Finding the Fourth Proportional to 15,165.37, 20,938.04 and 14,224.35

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Solution

The fourth proportional to 15,165.37, 20,938.04 and 14,224.35 is: 19,638.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,165.37 : 20,938.04 = 14,224.35 : x
  2. Step 2: Convert to fraction form
    15,165.37/20,938.04 = 14,224.35/x
  3. Step 3: Cross multiply
    15,165.37x = 20,938.04 × 14,224.35
  4. Step 4: Simplify right side
    15,165.37x = 297,830,009.27
  5. Step 5: Solve for x
    x = 297,830,009.27/15,165.37
  6. Step 6: Final answer
    x = 19,638.82

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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.