Home / 15,907.86-21,942.90-11,362.14

Finding the Fourth Proportional to 15,907.86, 21,942.90 and 11,362.14

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Solution

The fourth proportional to 15,907.86, 21,942.90 and 11,362.14 is: 15,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907.86 : 21,942.90 = 11,362.14 : x
  2. Step 2: Convert to fraction form
    15,907.86/21,942.90 = 11,362.14/x
  3. Step 3: Cross multiply
    15,907.86x = 21,942.90 × 11,362.14
  4. Step 4: Simplify right side
    15,907.86x = 249,318,301.81
  5. Step 5: Solve for x
    x = 249,318,301.81/15,907.86
  6. Step 6: Final answer
    x = 15,672.65

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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.