Home / 17,916.80-26,886.89-6,823.60

Finding the Fourth Proportional to 17,916.80, 26,886.89 and 6,823.60

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Solution

The fourth proportional to 17,916.80, 26,886.89 and 6,823.60 is: 10,239.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,916.80 : 26,886.89 = 6,823.60 : x
  2. Step 2: Convert to fraction form
    17,916.80/26,886.89 = 6,823.60/x
  3. Step 3: Cross multiply
    17,916.80x = 26,886.89 × 6,823.60
  4. Step 4: Simplify right side
    17,916.80x = 183,465,332.45
  5. Step 5: Solve for x
    x = 183,465,332.45/17,916.80
  6. Step 6: Final answer
    x = 10,239.85

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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.