Home / 12,437.02-17,164.73-7,130.80

Finding the Fourth Proportional to 12,437.02, 17,164.73 and 7,130.80

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Solution

The fourth proportional to 12,437.02, 17,164.73 and 7,130.80 is: 9,841.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.02 : 17,164.73 = 7,130.80 : x
  2. Step 2: Convert to fraction form
    12,437.02/17,164.73 = 7,130.80/x
  3. Step 3: Cross multiply
    12,437.02x = 17,164.73 × 7,130.80
  4. Step 4: Simplify right side
    12,437.02x = 122,398,221.03
  5. Step 5: Solve for x
    x = 122,398,221.03/12,437.02
  6. Step 6: Final answer
    x = 9,841.44

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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.