Home / 10,913.31-15,059.67-6,437.25

Finding the Fourth Proportional to 10,913.31, 15,059.67 and 6,437.25

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Solution

The fourth proportional to 10,913.31, 15,059.67 and 6,437.25 is: 8,882.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.31 : 15,059.67 = 6,437.25 : x
  2. Step 2: Convert to fraction form
    10,913.31/15,059.67 = 6,437.25/x
  3. Step 3: Cross multiply
    10,913.31x = 15,059.67 × 6,437.25
  4. Step 4: Simplify right side
    10,913.31x = 96,942,860.71
  5. Step 5: Solve for x
    x = 96,942,860.71/10,913.31
  6. Step 6: Final answer
    x = 8,882.99

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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.