Home / 12,209.34-16,848.79-6,904.35

Finding the Fourth Proportional to 12,209.34, 16,848.79 and 6,904.35

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Solution

The fourth proportional to 12,209.34, 16,848.79 and 6,904.35 is: 9,527.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209.34 : 16,848.79 = 6,904.35 : x
  2. Step 2: Convert to fraction form
    12,209.34/16,848.79 = 6,904.35/x
  3. Step 3: Cross multiply
    12,209.34x = 16,848.79 × 6,904.35
  4. Step 4: Simplify right side
    12,209.34x = 116,329,925.98
  5. Step 5: Solve for x
    x = 116,329,925.98/12,209.34
  6. Step 6: Final answer
    x = 9,527.95

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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.