Home / 14,253.32-21,384.59-6,856.81

Finding the Fourth Proportional to 14,253.32, 21,384.59 and 6,856.81

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Solution

The fourth proportional to 14,253.32, 21,384.59 and 6,856.81 is: 10,287.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.32 : 21,384.59 = 6,856.81 : x
  2. Step 2: Convert to fraction form
    14,253.32/21,384.59 = 6,856.81/x
  3. Step 3: Cross multiply
    14,253.32x = 21,384.59 × 6,856.81
  4. Step 4: Simplify right side
    14,253.32x = 146,630,070.56
  5. Step 5: Solve for x
    x = 146,630,070.56/14,253.32
  6. Step 6: Final answer
    x = 10,287.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.