Home / 19,468.20-26,862.48-10,969.68

Finding the Fourth Proportional to 19,468.20, 26,862.48 and 10,969.68

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Solution

The fourth proportional to 19,468.20, 26,862.48 and 10,969.68 is: 15,136.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,468.20 : 26,862.48 = 10,969.68 : x
  2. Step 2: Convert to fraction form
    19,468.20/26,862.48 = 10,969.68/x
  3. Step 3: Cross multiply
    19,468.20x = 26,862.48 × 10,969.68
  4. Step 4: Simplify right side
    19,468.20x = 294,672,809.61
  5. Step 5: Solve for x
    x = 294,672,809.61/19,468.20
  6. Step 6: Final answer
    x = 15,136.11

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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.