Home / 14,225.03-21,306.76-9,279.64

Finding the Fourth Proportional to 14,225.03, 21,306.76 and 9,279.64

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Solution

The fourth proportional to 14,225.03, 21,306.76 and 9,279.64 is: 13,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.03 : 21,306.76 = 9,279.64 : x
  2. Step 2: Convert to fraction form
    14,225.03/21,306.76 = 9,279.64/x
  3. Step 3: Cross multiply
    14,225.03x = 21,306.76 × 9,279.64
  4. Step 4: Simplify right side
    14,225.03x = 197,718,985.90
  5. Step 5: Solve for x
    x = 197,718,985.90/14,225.03
  6. Step 6: Final answer
    x = 13,899.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.