Home / 8,913.96-12,303.09-5,929.92

Finding the Fourth Proportional to 8,913.96, 12,303.09 and 5,929.92

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Solution

The fourth proportional to 8,913.96, 12,303.09 and 5,929.92 is: 8,184.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.96 : 12,303.09 = 5,929.92 : x
  2. Step 2: Convert to fraction form
    8,913.96/12,303.09 = 5,929.92/x
  3. Step 3: Cross multiply
    8,913.96x = 12,303.09 × 5,929.92
  4. Step 4: Simplify right side
    8,913.96x = 72,956,339.45
  5. Step 5: Solve for x
    x = 72,956,339.45/8,913.96
  6. Step 6: Final answer
    x = 8,184.50

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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.