Home / 14,240.72-19,655.52-9,206.84

Finding the Fourth Proportional to 14,240.72, 19,655.52 and 9,206.84

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Solution

The fourth proportional to 14,240.72, 19,655.52 and 9,206.84 is: 12,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.72 : 19,655.52 = 9,206.84 : x
  2. Step 2: Convert to fraction form
    14,240.72/19,655.52 = 9,206.84/x
  3. Step 3: Cross multiply
    14,240.72x = 19,655.52 × 9,206.84
  4. Step 4: Simplify right side
    14,240.72x = 180,965,227.76
  5. Step 5: Solve for x
    x = 180,965,227.76/14,240.72
  6. Step 6: Final answer
    x = 12,707.59

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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.