Home / 18,435.27-25,440.67-10,477.29

Finding the Fourth Proportional to 18,435.27, 25,440.67 and 10,477.29

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Solution

The fourth proportional to 18,435.27, 25,440.67 and 10,477.29 is: 14,458.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.27 : 25,440.67 = 10,477.29 : x
  2. Step 2: Convert to fraction form
    18,435.27/25,440.67 = 10,477.29/x
  3. Step 3: Cross multiply
    18,435.27x = 25,440.67 × 10,477.29
  4. Step 4: Simplify right side
    18,435.27x = 266,549,150.18
  5. Step 5: Solve for x
    x = 266,549,150.18/18,435.27
  6. Step 6: Final answer
    x = 14,458.66

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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.