Home / 13,968.79-19,276.64-7,595.51

Finding the Fourth Proportional to 13,968.79, 19,276.64 and 7,595.51

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Solution

The fourth proportional to 13,968.79, 19,276.64 and 7,595.51 is: 10,481.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.79 : 19,276.64 = 7,595.51 : x
  2. Step 2: Convert to fraction form
    13,968.79/19,276.64 = 7,595.51/x
  3. Step 3: Cross multiply
    13,968.79x = 19,276.64 × 7,595.51
  4. Step 4: Simplify right side
    13,968.79x = 146,415,834.49
  5. Step 5: Solve for x
    x = 146,415,834.49/13,968.79
  6. Step 6: Final answer
    x = 10,481.64

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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.