Home / 12,899.76-19,356.30-5,502.23

Finding the Fourth Proportional to 12,899.76, 19,356.30 and 5,502.23

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Solution

The fourth proportional to 12,899.76, 19,356.30 and 5,502.23 is: 8,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,899.76 : 19,356.30 = 5,502.23 : x
  2. Step 2: Convert to fraction form
    12,899.76/19,356.30 = 5,502.23/x
  3. Step 3: Cross multiply
    12,899.76x = 19,356.30 × 5,502.23
  4. Step 4: Simplify right side
    12,899.76x = 106,502,814.55
  5. Step 5: Solve for x
    x = 106,502,814.55/12,899.76
  6. Step 6: Final answer
    x = 8,256.19

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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.