Home / 10,945.40-16,417.49-9,726.75

Finding the Fourth Proportional to 10,945.40, 16,417.49 and 9,726.75

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Solution

The fourth proportional to 10,945.40, 16,417.49 and 9,726.75 is: 14,589.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.40 : 16,417.49 = 9,726.75 : x
  2. Step 2: Convert to fraction form
    10,945.40/16,417.49 = 9,726.75/x
  3. Step 3: Cross multiply
    10,945.40x = 16,417.49 × 9,726.75
  4. Step 4: Simplify right side
    10,945.40x = 159,688,772.22
  5. Step 5: Solve for x
    x = 159,688,772.22/10,945.40
  6. Step 6: Final answer
    x = 14,589.59

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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.