Home / 11,386.79-17,068.49-4,364.90

Finding the Fourth Proportional to 11,386.79, 17,068.49 and 4,364.90

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Solution

The fourth proportional to 11,386.79, 17,068.49 and 4,364.90 is: 6,542.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.79 : 17,068.49 = 4,364.90 : x
  2. Step 2: Convert to fraction form
    11,386.79/17,068.49 = 4,364.90/x
  3. Step 3: Cross multiply
    11,386.79x = 17,068.49 × 4,364.90
  4. Step 4: Simplify right side
    11,386.79x = 74,502,144.83
  5. Step 5: Solve for x
    x = 74,502,144.83/11,386.79
  6. Step 6: Final answer
    x = 6,542.86

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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.