Home / 10,298.22-15,448.55-7,717.56

Finding the Fourth Proportional to 10,298.22, 15,448.55 and 7,717.56

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Solution

The fourth proportional to 10,298.22, 15,448.55 and 7,717.56 is: 11,577.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,298.22 : 15,448.55 = 7,717.56 : x
  2. Step 2: Convert to fraction form
    10,298.22/15,448.55 = 7,717.56/x
  3. Step 3: Cross multiply
    10,298.22x = 15,448.55 × 7,717.56
  4. Step 4: Simplify right side
    10,298.22x = 119,225,072.95
  5. Step 5: Solve for x
    x = 119,225,072.95/10,298.22
  6. Step 6: Final answer
    x = 11,577.25

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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.