Home / 10,102.72-15,154.10-4,904.95

Finding the Fourth Proportional to 10,102.72, 15,154.10 and 4,904.95

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Solution

The fourth proportional to 10,102.72, 15,154.10 and 4,904.95 is: 7,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.72 : 15,154.10 = 4,904.95 : x
  2. Step 2: Convert to fraction form
    10,102.72/15,154.10 = 4,904.95/x
  3. Step 3: Cross multiply
    10,102.72x = 15,154.10 × 4,904.95
  4. Step 4: Simplify right side
    10,102.72x = 74,330,002.50
  5. Step 5: Solve for x
    x = 74,330,002.50/10,102.72
  6. Step 6: Final answer
    x = 7,357.43

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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.