Home / 12,801.02-17,665.19-7,212.06

Finding the Fourth Proportional to 12,801.02, 17,665.19 and 7,212.06

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Solution

The fourth proportional to 12,801.02, 17,665.19 and 7,212.06 is: 9,952.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.02 : 17,665.19 = 7,212.06 : x
  2. Step 2: Convert to fraction form
    12,801.02/17,665.19 = 7,212.06/x
  3. Step 3: Cross multiply
    12,801.02x = 17,665.19 × 7,212.06
  4. Step 4: Simplify right side
    12,801.02x = 127,402,410.19
  5. Step 5: Solve for x
    x = 127,402,410.19/12,801.02
  6. Step 6: Final answer
    x = 9,952.52

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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.