Home / 19,008.79-26,229.84-10,509.77

Finding the Fourth Proportional to 19,008.79, 26,229.84 and 10,509.77

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Solution

The fourth proportional to 19,008.79, 26,229.84 and 10,509.77 is: 14,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008.79 : 26,229.84 = 10,509.77 : x
  2. Step 2: Convert to fraction form
    19,008.79/26,229.84 = 10,509.77/x
  3. Step 3: Cross multiply
    19,008.79x = 26,229.84 × 10,509.77
  4. Step 4: Simplify right side
    19,008.79x = 275,669,454.39
  5. Step 5: Solve for x
    x = 275,669,454.39/19,008.79
  6. Step 6: Final answer
    x = 14,502.21

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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.