Home / 15,226.24-21,039.60-11,877.52

Finding the Fourth Proportional to 15,226.24, 21,039.60 and 11,877.52

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Solution

The fourth proportional to 15,226.24, 21,039.60 and 11,877.52 is: 16,412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,226.24 : 21,039.60 = 11,877.52 : x
  2. Step 2: Convert to fraction form
    15,226.24/21,039.60 = 11,877.52/x
  3. Step 3: Cross multiply
    15,226.24x = 21,039.60 × 11,877.52
  4. Step 4: Simplify right side
    15,226.24x = 249,898,269.79
  5. Step 5: Solve for x
    x = 249,898,269.79/15,226.24
  6. Step 6: Final answer
    x = 16,412.34

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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.