Home / 10,925.20-15,076.63-6,144.79

Finding the Fourth Proportional to 10,925.20, 15,076.63 and 6,144.79

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Solution

The fourth proportional to 10,925.20, 15,076.63 and 6,144.79 is: 8,479.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.20 : 15,076.63 = 6,144.79 : x
  2. Step 2: Convert to fraction form
    10,925.20/15,076.63 = 6,144.79/x
  3. Step 3: Cross multiply
    10,925.20x = 15,076.63 × 6,144.79
  4. Step 4: Simplify right side
    10,925.20x = 92,642,681.11
  5. Step 5: Solve for x
    x = 92,642,681.11/10,925.20
  6. Step 6: Final answer
    x = 8,479.72

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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.