Home / 8,947.18-12,345.70-4,968.22

Finding the Fourth Proportional to 8,947.18, 12,345.70 and 4,968.22

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Solution

The fourth proportional to 8,947.18, 12,345.70 and 4,968.22 is: 6,855.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.18 : 12,345.70 = 4,968.22 : x
  2. Step 2: Convert to fraction form
    8,947.18/12,345.70 = 4,968.22/x
  3. Step 3: Cross multiply
    8,947.18x = 12,345.70 × 4,968.22
  4. Step 4: Simplify right side
    8,947.18x = 61,336,153.65
  5. Step 5: Solve for x
    x = 61,336,153.65/8,947.18
  6. Step 6: Final answer
    x = 6,855.36

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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.