Home / 18,128.63-25,017.57-10,580.18

Finding the Fourth Proportional to 18,128.63, 25,017.57 and 10,580.18

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Solution

The fourth proportional to 18,128.63, 25,017.57 and 10,580.18 is: 14,600.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128.63 : 25,017.57 = 10,580.18 : x
  2. Step 2: Convert to fraction form
    18,128.63/25,017.57 = 10,580.18/x
  3. Step 3: Cross multiply
    18,128.63x = 25,017.57 × 10,580.18
  4. Step 4: Simplify right side
    18,128.63x = 264,690,268.67
  5. Step 5: Solve for x
    x = 264,690,268.67/18,128.63
  6. Step 6: Final answer
    x = 14,600.68

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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.