Home / 19,301.40-26,635.64-10,803.38

Finding the Fourth Proportional to 19,301.40, 26,635.64 and 10,803.38

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Solution

The fourth proportional to 19,301.40, 26,635.64 and 10,803.38 is: 14,908.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.40 : 26,635.64 = 10,803.38 : x
  2. Step 2: Convert to fraction form
    19,301.40/26,635.64 = 10,803.38/x
  3. Step 3: Cross multiply
    19,301.40x = 26,635.64 × 10,803.38
  4. Step 4: Simplify right side
    19,301.40x = 287,754,753.27
  5. Step 5: Solve for x
    x = 287,754,753.27/19,301.40
  6. Step 6: Final answer
    x = 14,908.49

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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.