Home / 14,298.50-19,731.60-8,329.79

Finding the Fourth Proportional to 14,298.50, 19,731.60 and 8,329.79

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Solution

The fourth proportional to 14,298.50, 19,731.60 and 8,329.79 is: 11,494.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.50 : 19,731.60 = 8,329.79 : x
  2. Step 2: Convert to fraction form
    14,298.50/19,731.60 = 8,329.79/x
  3. Step 3: Cross multiply
    14,298.50x = 19,731.60 × 8,329.79
  4. Step 4: Simplify right side
    14,298.50x = 164,359,985.71
  5. Step 5: Solve for x
    x = 164,359,985.71/14,298.50
  6. Step 6: Final answer
    x = 11,494.92

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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.