Home / 12,437.02-17,164.30-9,287.74

Finding the Fourth Proportional to 12,437.02, 17,164.30 and 9,287.74

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Solution

The fourth proportional to 12,437.02, 17,164.30 and 9,287.74 is: 12,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.02 : 17,164.30 = 9,287.74 : x
  2. Step 2: Convert to fraction form
    12,437.02/17,164.30 = 9,287.74/x
  3. Step 3: Cross multiply
    12,437.02x = 17,164.30 × 9,287.74
  4. Step 4: Simplify right side
    12,437.02x = 159,417,466.33
  5. Step 5: Solve for x
    x = 159,417,466.33/12,437.02
  6. Step 6: Final answer
    x = 12,817.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.