Home / 13,953.06-19,254.96-7,985.16

Finding the Fourth Proportional to 13,953.06, 19,254.96 and 7,985.16

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Solution

The fourth proportional to 13,953.06, 19,254.96 and 7,985.16 is: 11,019.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.06 : 19,254.96 = 7,985.16 : x
  2. Step 2: Convert to fraction form
    13,953.06/19,254.96 = 7,985.16/x
  3. Step 3: Cross multiply
    13,953.06x = 19,254.96 × 7,985.16
  4. Step 4: Simplify right side
    13,953.06x = 153,753,936.39
  5. Step 5: Solve for x
    x = 153,753,936.39/13,953.06
  6. Step 6: Final answer
    x = 11,019.37

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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.