Home / 15,252.02-21,046.81-8,536.51

Finding the Fourth Proportional to 15,252.02, 21,046.81 and 8,536.51

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Solution

The fourth proportional to 15,252.02, 21,046.81 and 8,536.51 is: 11,779.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,252.02 : 21,046.81 = 8,536.51 : x
  2. Step 2: Convert to fraction form
    15,252.02/21,046.81 = 8,536.51/x
  3. Step 3: Cross multiply
    15,252.02x = 21,046.81 × 8,536.51
  4. Step 4: Simplify right side
    15,252.02x = 179,666,304.03
  5. Step 5: Solve for x
    x = 179,666,304.03/15,252.02
  6. Step 6: Final answer
    x = 11,779.84

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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.