Home / 14,913.94-20,559.68-9,869.71

Finding the Fourth Proportional to 14,913.94, 20,559.68 and 9,869.71

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Solution

The fourth proportional to 14,913.94, 20,559.68 and 9,869.71 is: 13,605.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.94 : 20,559.68 = 9,869.71 : x
  2. Step 2: Convert to fraction form
    14,913.94/20,559.68 = 9,869.71/x
  3. Step 3: Cross multiply
    14,913.94x = 20,559.68 × 9,869.71
  4. Step 4: Simplify right side
    14,913.94x = 202,918,079.29
  5. Step 5: Solve for x
    x = 202,918,079.29/14,913.94
  6. Step 6: Final answer
    x = 13,605.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.