Home / 12,207.65-16,848.10-6,902.35

Finding the Fourth Proportional to 12,207.65, 16,848.10 and 6,902.35

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Solution

The fourth proportional to 12,207.65, 16,848.10 and 6,902.35 is: 9,526.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.65 : 16,848.10 = 6,902.35 : x
  2. Step 2: Convert to fraction form
    12,207.65/16,848.10 = 6,902.35/x
  3. Step 3: Cross multiply
    12,207.65x = 16,848.10 × 6,902.35
  4. Step 4: Simplify right side
    12,207.65x = 116,291,449.54
  5. Step 5: Solve for x
    x = 116,291,449.54/12,207.65
  6. Step 6: Final answer
    x = 9,526.12

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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.