Home / 19,471.72-26,871.18-11,088.28

Finding the Fourth Proportional to 19,471.72, 26,871.18 and 11,088.28

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Solution

The fourth proportional to 19,471.72, 26,871.18 and 11,088.28 is: 15,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471.72 : 26,871.18 = 11,088.28 : x
  2. Step 2: Convert to fraction form
    19,471.72/26,871.18 = 11,088.28/x
  3. Step 3: Cross multiply
    19,471.72x = 26,871.18 × 11,088.28
  4. Step 4: Simplify right side
    19,471.72x = 297,955,167.77
  5. Step 5: Solve for x
    x = 297,955,167.77/19,471.72
  6. Step 6: Final answer
    x = 15,301.94

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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.