Home / 12,209.16-16,848.36-6,903.66

Finding the Fourth Proportional to 12,209.16, 16,848.36 and 6,903.66

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Solution

The fourth proportional to 12,209.16, 16,848.36 and 6,903.66 is: 9,526.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209.16 : 16,848.36 = 6,903.66 : x
  2. Step 2: Convert to fraction form
    12,209.16/16,848.36 = 6,903.66/x
  3. Step 3: Cross multiply
    12,209.16x = 16,848.36 × 6,903.66
  4. Step 4: Simplify right side
    12,209.16x = 116,315,349.00
  5. Step 5: Solve for x
    x = 116,315,349.00/12,209.16
  6. Step 6: Final answer
    x = 9,526.89

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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.