Home / 10,126.61-13,974.27-7,473.05

Finding the Fourth Proportional to 10,126.61, 13,974.27 and 7,473.05

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Solution

The fourth proportional to 10,126.61, 13,974.27 and 7,473.05 is: 10,312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.61 : 13,974.27 = 7,473.05 : x
  2. Step 2: Convert to fraction form
    10,126.61/13,974.27 = 7,473.05/x
  3. Step 3: Cross multiply
    10,126.61x = 13,974.27 × 7,473.05
  4. Step 4: Simplify right side
    10,126.61x = 104,430,418.42
  5. Step 5: Solve for x
    x = 104,430,418.42/10,126.61
  6. Step 6: Final answer
    x = 10,312.48

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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.