Home / 21,586.08-32,384.69-8,434.11

Finding the Fourth Proportional to 21,586.08, 32,384.69 and 8,434.11

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Solution

The fourth proportional to 21,586.08, 32,384.69 and 8,434.11 is: 12,653.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,586.08 : 32,384.69 = 8,434.11 : x
  2. Step 2: Convert to fraction form
    21,586.08/32,384.69 = 8,434.11/x
  3. Step 3: Cross multiply
    21,586.08x = 32,384.69 × 8,434.11
  4. Step 4: Simplify right side
    21,586.08x = 273,136,037.78
  5. Step 5: Solve for x
    x = 273,136,037.78/21,586.08
  6. Step 6: Final answer
    x = 12,653.34

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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.