Home / 12,289.04-16,959.15-7,254.49

Finding the Fourth Proportional to 12,289.04, 16,959.15 and 7,254.49

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Solution

The fourth proportional to 12,289.04, 16,959.15 and 7,254.49 is: 10,011.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289.04 : 16,959.15 = 7,254.49 : x
  2. Step 2: Convert to fraction form
    12,289.04/16,959.15 = 7,254.49/x
  3. Step 3: Cross multiply
    12,289.04x = 16,959.15 × 7,254.49
  4. Step 4: Simplify right side
    12,289.04x = 123,029,984.08
  5. Step 5: Solve for x
    x = 123,029,984.08/12,289.04
  6. Step 6: Final answer
    x = 10,011.36

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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.