Home / 12,547.33-18,817.03-4,225.40

Finding the Fourth Proportional to 12,547.33, 18,817.03 and 4,225.40

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Solution

The fourth proportional to 12,547.33, 18,817.03 and 4,225.40 is: 6,336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.33 : 18,817.03 = 4,225.40 : x
  2. Step 2: Convert to fraction form
    12,547.33/18,817.03 = 4,225.40/x
  3. Step 3: Cross multiply
    12,547.33x = 18,817.03 × 4,225.40
  4. Step 4: Simplify right side
    12,547.33x = 79,509,478.56
  5. Step 5: Solve for x
    x = 79,509,478.56/12,547.33
  6. Step 6: Final answer
    x = 6,336.76

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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.