Home / 12,243.04-16,903.51-9,405.34

Finding the Fourth Proportional to 12,243.04, 16,903.51 and 9,405.34

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Solution

The fourth proportional to 12,243.04, 16,903.51 and 9,405.34 is: 12,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.04 : 16,903.51 = 9,405.34 : x
  2. Step 2: Convert to fraction form
    12,243.04/16,903.51 = 9,405.34/x
  3. Step 3: Cross multiply
    12,243.04x = 16,903.51 × 9,405.34
  4. Step 4: Simplify right side
    12,243.04x = 158,983,192.97
  5. Step 5: Solve for x
    x = 158,983,192.97/12,243.04
  6. Step 6: Final answer
    x = 12,985.60

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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.