Home / 13,867.07-19,134.32-7,898.85

Finding the Fourth Proportional to 13,867.07, 19,134.32 and 7,898.85

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Solution

The fourth proportional to 13,867.07, 19,134.32 and 7,898.85 is: 10,899.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867.07 : 19,134.32 = 7,898.85 : x
  2. Step 2: Convert to fraction form
    13,867.07/19,134.32 = 7,898.85/x
  3. Step 3: Cross multiply
    13,867.07x = 19,134.32 × 7,898.85
  4. Step 4: Simplify right side
    13,867.07x = 151,139,084.04
  5. Step 5: Solve for x
    x = 151,139,084.04/13,867.07
  6. Step 6: Final answer
    x = 10,899.14

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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.