Home / 17,774.31-26,655.32-9,888.81

Finding the Fourth Proportional to 17,774.31, 26,655.32 and 9,888.81

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Solution

The fourth proportional to 17,774.31, 26,655.32 and 9,888.81 is: 14,829.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,774.31 : 26,655.32 = 9,888.81 : x
  2. Step 2: Convert to fraction form
    17,774.31/26,655.32 = 9,888.81/x
  3. Step 3: Cross multiply
    17,774.31x = 26,655.32 × 9,888.81
  4. Step 4: Simplify right side
    17,774.31x = 263,589,345.53
  5. Step 5: Solve for x
    x = 263,589,345.53/17,774.31
  6. Step 6: Final answer
    x = 14,829.79

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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.