Home / 19,420.32-26,799.72-10,806.18

Finding the Fourth Proportional to 19,420.32, 26,799.72 and 10,806.18

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Solution

The fourth proportional to 19,420.32, 26,799.72 and 10,806.18 is: 14,912.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420.32 : 26,799.72 = 10,806.18 : x
  2. Step 2: Convert to fraction form
    19,420.32/26,799.72 = 10,806.18/x
  3. Step 3: Cross multiply
    19,420.32x = 26,799.72 × 10,806.18
  4. Step 4: Simplify right side
    19,420.32x = 289,602,598.27
  5. Step 5: Solve for x
    x = 289,602,598.27/19,420.32
  6. Step 6: Final answer
    x = 14,912.35

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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.