Home / 12,547.83-18,816.27-4,225.61

Finding the Fourth Proportional to 12,547.83, 18,816.27 and 4,225.61

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Solution

The fourth proportional to 12,547.83, 18,816.27 and 4,225.61 is: 6,336.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.83 : 18,816.27 = 4,225.61 : x
  2. Step 2: Convert to fraction form
    12,547.83/18,816.27 = 4,225.61/x
  3. Step 3: Cross multiply
    12,547.83x = 18,816.27 × 4,225.61
  4. Step 4: Simplify right side
    12,547.83x = 79,510,218.67
  5. Step 5: Solve for x
    x = 79,510,218.67/12,547.83
  6. Step 6: Final answer
    x = 6,336.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.