Home / 14,735.84-20,338.09-9,430.47

Finding the Fourth Proportional to 14,735.84, 20,338.09 and 9,430.47

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Solution

The fourth proportional to 14,735.84, 20,338.09 and 9,430.47 is: 13,015.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,735.84 : 20,338.09 = 9,430.47 : x
  2. Step 2: Convert to fraction form
    14,735.84/20,338.09 = 9,430.47/x
  3. Step 3: Cross multiply
    14,735.84x = 20,338.09 × 9,430.47
  4. Step 4: Simplify right side
    14,735.84x = 191,797,724.03
  5. Step 5: Solve for x
    x = 191,797,724.03/14,735.84
  6. Step 6: Final answer
    x = 13,015.74

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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.