Home / 11,987.23-16,548.45-9,292.51

Finding the Fourth Proportional to 11,987.23, 16,548.45 and 9,292.51

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Solution

The fourth proportional to 11,987.23, 16,548.45 and 9,292.51 is: 12,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987.23 : 16,548.45 = 9,292.51 : x
  2. Step 2: Convert to fraction form
    11,987.23/16,548.45 = 9,292.51/x
  3. Step 3: Cross multiply
    11,987.23x = 16,548.45 × 9,292.51
  4. Step 4: Simplify right side
    11,987.23x = 153,776,637.11
  5. Step 5: Solve for x
    x = 153,776,637.11/11,987.23
  6. Step 6: Final answer
    x = 12,828.37

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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.