Home / 19,322.22-26,663.94-10,938.72

Finding the Fourth Proportional to 19,322.22, 26,663.94 and 10,938.72

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Solution

The fourth proportional to 19,322.22, 26,663.94 and 10,938.72 is: 15,095.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.22 : 26,663.94 = 10,938.72 : x
  2. Step 2: Convert to fraction form
    19,322.22/26,663.94 = 10,938.72/x
  3. Step 3: Cross multiply
    19,322.22x = 26,663.94 × 10,938.72
  4. Step 4: Simplify right side
    19,322.22x = 291,669,373.76
  5. Step 5: Solve for x
    x = 291,669,373.76/19,322.22
  6. Step 6: Final answer
    x = 15,095.02

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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.