Home / 15,433.38-21,302.08-9,060.84

Finding the Fourth Proportional to 15,433.38, 21,302.08 and 9,060.84

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Solution

The fourth proportional to 15,433.38, 21,302.08 and 9,060.84 is: 12,506.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,433.38 : 21,302.08 = 9,060.84 : x
  2. Step 2: Convert to fraction form
    15,433.38/21,302.08 = 9,060.84/x
  3. Step 3: Cross multiply
    15,433.38x = 21,302.08 × 9,060.84
  4. Step 4: Simplify right side
    15,433.38x = 193,014,738.55
  5. Step 5: Solve for x
    x = 193,014,738.55/15,433.38
  6. Step 6: Final answer
    x = 12,506.32

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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.