Home / 14,703.41-20,291.15-8,417.81

Finding the Fourth Proportional to 14,703.41, 20,291.15 and 8,417.81

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Solution

The fourth proportional to 14,703.41, 20,291.15 and 8,417.81 is: 11,616.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.41 : 20,291.15 = 8,417.81 : x
  2. Step 2: Convert to fraction form
    14,703.41/20,291.15 = 8,417.81/x
  3. Step 3: Cross multiply
    14,703.41x = 20,291.15 × 8,417.81
  4. Step 4: Simplify right side
    14,703.41x = 170,806,964.97
  5. Step 5: Solve for x
    x = 170,806,964.97/14,703.41
  6. Step 6: Final answer
    x = 11,616.83

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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.