Home / 18,685.42-25,784.58-10,510.26

Finding the Fourth Proportional to 18,685.42, 25,784.58 and 10,510.26

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Solution

The fourth proportional to 18,685.42, 25,784.58 and 10,510.26 is: 14,503.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685.42 : 25,784.58 = 10,510.26 : x
  2. Step 2: Convert to fraction form
    18,685.42/25,784.58 = 10,510.26/x
  3. Step 3: Cross multiply
    18,685.42x = 25,784.58 × 10,510.26
  4. Step 4: Simplify right side
    18,685.42x = 271,002,639.79
  5. Step 5: Solve for x
    x = 271,002,639.79/18,685.42
  6. Step 6: Final answer
    x = 14,503.43

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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.