Home / 10,681.26-16,019.40-2,890.68

Finding the Fourth Proportional to 10,681.26, 16,019.40 and 2,890.68

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Solution

The fourth proportional to 10,681.26, 16,019.40 and 2,890.68 is: 4,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.26 : 16,019.40 = 2,890.68 : x
  2. Step 2: Convert to fraction form
    10,681.26/16,019.40 = 2,890.68/x
  3. Step 3: Cross multiply
    10,681.26x = 16,019.40 × 2,890.68
  4. Step 4: Simplify right side
    10,681.26x = 46,306,959.19
  5. Step 5: Solve for x
    x = 46,306,959.19/10,681.26
  6. Step 6: Final answer
    x = 4,335.35

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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.