Home / 11,357.40-15,672.60-6,576.51

Finding the Fourth Proportional to 11,357.40, 15,672.60 and 6,576.51

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Solution

The fourth proportional to 11,357.40, 15,672.60 and 6,576.51 is: 9,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,357.40 : 15,672.60 = 6,576.51 : x
  2. Step 2: Convert to fraction form
    11,357.40/15,672.60 = 6,576.51/x
  3. Step 3: Cross multiply
    11,357.40x = 15,672.60 × 6,576.51
  4. Step 4: Simplify right side
    11,357.40x = 103,071,010.63
  5. Step 5: Solve for x
    x = 103,071,010.63/11,357.40
  6. Step 6: Final answer
    x = 9,075.23

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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.