Home / 10,077.98-15,122.30-7,327.36

Finding the Fourth Proportional to 10,077.98, 15,122.30 and 7,327.36

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Solution

The fourth proportional to 10,077.98, 15,122.30 and 7,327.36 is: 10,994.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.98 : 15,122.30 = 7,327.36 : x
  2. Step 2: Convert to fraction form
    10,077.98/15,122.30 = 7,327.36/x
  3. Step 3: Cross multiply
    10,077.98x = 15,122.30 × 7,327.36
  4. Step 4: Simplify right side
    10,077.98x = 110,806,536.13
  5. Step 5: Solve for x
    x = 110,806,536.13/10,077.98
  6. Step 6: Final answer
    x = 10,994.92

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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.