Home / 21,533.08-29,715.99-12,101.64

Finding the Fourth Proportional to 21,533.08, 29,715.99 and 12,101.64

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Solution

The fourth proportional to 21,533.08, 29,715.99 and 12,101.64 is: 16,700.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,533.08 : 29,715.99 = 12,101.64 : x
  2. Step 2: Convert to fraction form
    21,533.08/29,715.99 = 12,101.64/x
  3. Step 3: Cross multiply
    21,533.08x = 29,715.99 × 12,101.64
  4. Step 4: Simplify right side
    21,533.08x = 359,612,213.22
  5. Step 5: Solve for x
    x = 359,612,213.22/21,533.08
  6. Step 6: Final answer
    x = 16,700.45

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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.