Home / 14,712.06-20,300.52-8,658.70

Finding the Fourth Proportional to 14,712.06, 20,300.52 and 8,658.70

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Solution

The fourth proportional to 14,712.06, 20,300.52 and 8,658.70 is: 11,947.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.06 : 20,300.52 = 8,658.70 : x
  2. Step 2: Convert to fraction form
    14,712.06/20,300.52 = 8,658.70/x
  3. Step 3: Cross multiply
    14,712.06x = 20,300.52 × 8,658.70
  4. Step 4: Simplify right side
    14,712.06x = 175,776,094.24
  5. Step 5: Solve for x
    x = 175,776,094.24/14,712.06
  6. Step 6: Final answer
    x = 11,947.76

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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.