Home / 18,586.68-25,642.32-10,624.64

Finding the Fourth Proportional to 18,586.68, 25,642.32 and 10,624.64

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Solution

The fourth proportional to 18,586.68, 25,642.32 and 10,624.64 is: 14,657.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.68 : 25,642.32 = 10,624.64 : x
  2. Step 2: Convert to fraction form
    18,586.68/25,642.32 = 10,624.64/x
  3. Step 3: Cross multiply
    18,586.68x = 25,642.32 × 10,624.64
  4. Step 4: Simplify right side
    18,586.68x = 272,440,310.47
  5. Step 5: Solve for x
    x = 272,440,310.47/18,586.68
  6. Step 6: Final answer
    x = 14,657.82

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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.