Home / 18,598.02-25,665.29-10,639.77

Finding the Fourth Proportional to 18,598.02, 25,665.29 and 10,639.77

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Solution

The fourth proportional to 18,598.02, 25,665.29 and 10,639.77 is: 14,682.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,598.02 : 25,665.29 = 10,639.77 : x
  2. Step 2: Convert to fraction form
    18,598.02/25,665.29 = 10,639.77/x
  3. Step 3: Cross multiply
    18,598.02x = 25,665.29 × 10,639.77
  4. Step 4: Simplify right side
    18,598.02x = 273,072,782.58
  5. Step 5: Solve for x
    x = 273,072,782.58/18,598.02
  6. Step 6: Final answer
    x = 14,682.90

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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.