Home / 15,888.51-23,836.82-9,320.49

Finding the Fourth Proportional to 15,888.51, 23,836.82 and 9,320.49

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Solution

The fourth proportional to 15,888.51, 23,836.82 and 9,320.49 is: 13,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,888.51 : 23,836.82 = 9,320.49 : x
  2. Step 2: Convert to fraction form
    15,888.51/23,836.82 = 9,320.49/x
  3. Step 3: Cross multiply
    15,888.51x = 23,836.82 × 9,320.49
  4. Step 4: Simplify right side
    15,888.51x = 222,170,795.84
  5. Step 5: Solve for x
    x = 222,170,795.84/15,888.51
  6. Step 6: Final answer
    x = 13,983.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.