Home / 12,331.02-16,996.80-9,637.50

Finding the Fourth Proportional to 12,331.02, 16,996.80 and 9,637.50

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Solution

The fourth proportional to 12,331.02, 16,996.80 and 9,637.50 is: 13,284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.02 : 16,996.80 = 9,637.50 : x
  2. Step 2: Convert to fraction form
    12,331.02/16,996.80 = 9,637.50/x
  3. Step 3: Cross multiply
    12,331.02x = 16,996.80 × 9,637.50
  4. Step 4: Simplify right side
    12,331.02x = 163,806,660
  5. Step 5: Solve for x
    x = 163,806,660/12,331.02
  6. Step 6: Final answer
    x = 13,284.11

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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.