Home / 18,989.64-26,205.26-10,492.47

Finding the Fourth Proportional to 18,989.64, 26,205.26 and 10,492.47

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Solution

The fourth proportional to 18,989.64, 26,205.26 and 10,492.47 is: 14,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,989.64 : 26,205.26 = 10,492.47 : x
  2. Step 2: Convert to fraction form
    18,989.64/26,205.26 = 10,492.47/x
  3. Step 3: Cross multiply
    18,989.64x = 26,205.26 × 10,492.47
  4. Step 4: Simplify right side
    18,989.64x = 274,957,851.93
  5. Step 5: Solve for x
    x = 274,957,851.93/18,989.64
  6. Step 6: Final answer
    x = 14,479.36

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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.