Home / 12,312.38-18,476.67-4,521.26

Finding the Fourth Proportional to 12,312.38, 18,476.67 and 4,521.26

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Solution

The fourth proportional to 12,312.38, 18,476.67 and 4,521.26 is: 6,784.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312.38 : 18,476.67 = 4,521.26 : x
  2. Step 2: Convert to fraction form
    12,312.38/18,476.67 = 4,521.26/x
  3. Step 3: Cross multiply
    12,312.38x = 18,476.67 × 4,521.26
  4. Step 4: Simplify right side
    12,312.38x = 83,537,829.00
  5. Step 5: Solve for x
    x = 83,537,829.00/12,312.38
  6. Step 6: Final answer
    x = 6,784.86

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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.