Home / 14,134.44-19,505.70-7,847.40

Finding the Fourth Proportional to 14,134.44, 19,505.70 and 7,847.40

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Solution

The fourth proportional to 14,134.44, 19,505.70 and 7,847.40 is: 10,829.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.44 : 19,505.70 = 7,847.40 : x
  2. Step 2: Convert to fraction form
    14,134.44/19,505.70 = 7,847.40/x
  3. Step 3: Cross multiply
    14,134.44x = 19,505.70 × 7,847.40
  4. Step 4: Simplify right side
    14,134.44x = 153,069,030.18
  5. Step 5: Solve for x
    x = 153,069,030.18/14,134.44
  6. Step 6: Final answer
    x = 10,829.51

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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.