Home / 11,112.61-16,673.52-4,869.40

Finding the Fourth Proportional to 11,112.61, 16,673.52 and 4,869.40

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Solution

The fourth proportional to 11,112.61, 16,673.52 and 4,869.40 is: 7,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.61 : 16,673.52 = 4,869.40 : x
  2. Step 2: Convert to fraction form
    11,112.61/16,673.52 = 4,869.40/x
  3. Step 3: Cross multiply
    11,112.61x = 16,673.52 × 4,869.40
  4. Step 4: Simplify right side
    11,112.61x = 81,190,038.29
  5. Step 5: Solve for x
    x = 81,190,038.29/11,112.61
  6. Step 6: Final answer
    x = 7,306.12

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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.