Home / 12,259.49-16,921.12-6,957.50

Finding the Fourth Proportional to 12,259.49, 16,921.12 and 6,957.50

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Solution

The fourth proportional to 12,259.49, 16,921.12 and 6,957.50 is: 9,603.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.49 : 16,921.12 = 6,957.50 : x
  2. Step 2: Convert to fraction form
    12,259.49/16,921.12 = 6,957.50/x
  3. Step 3: Cross multiply
    12,259.49x = 16,921.12 × 6,957.50
  4. Step 4: Simplify right side
    12,259.49x = 117,728,692.40
  5. Step 5: Solve for x
    x = 117,728,692.40/12,259.49
  6. Step 6: Final answer
    x = 9,603.07

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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.