Home / 9,369.30-12,929.01-5,177.46

Finding the Fourth Proportional to 9,369.30, 12,929.01 and 5,177.46

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Solution

The fourth proportional to 9,369.30, 12,929.01 and 5,177.46 is: 7,144.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,369.30 : 12,929.01 = 5,177.46 : x
  2. Step 2: Convert to fraction form
    9,369.30/12,929.01 = 5,177.46/x
  3. Step 3: Cross multiply
    9,369.30x = 12,929.01 × 5,177.46
  4. Step 4: Simplify right side
    9,369.30x = 66,939,432.11
  5. Step 5: Solve for x
    x = 66,939,432.11/9,369.30
  6. Step 6: Final answer
    x = 7,144.55

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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.