Home / 12,281.55-16,947.69-6,904.13

Finding the Fourth Proportional to 12,281.55, 16,947.69 and 6,904.13

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Solution

The fourth proportional to 12,281.55, 16,947.69 and 6,904.13 is: 9,527.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,281.55 : 16,947.69 = 6,904.13 : x
  2. Step 2: Convert to fraction form
    12,281.55/16,947.69 = 6,904.13/x
  3. Step 3: Cross multiply
    12,281.55x = 16,947.69 × 6,904.13
  4. Step 4: Simplify right side
    12,281.55x = 117,008,970.22
  5. Step 5: Solve for x
    x = 117,008,970.22/12,281.55
  6. Step 6: Final answer
    x = 9,527.22

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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.