Home / 14,730.49-20,328.05-8,358.33

Finding the Fourth Proportional to 14,730.49, 20,328.05 and 8,358.33

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Solution

The fourth proportional to 14,730.49, 20,328.05 and 8,358.33 is: 11,534.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,730.49 : 20,328.05 = 8,358.33 : x
  2. Step 2: Convert to fraction form
    14,730.49/20,328.05 = 8,358.33/x
  3. Step 3: Cross multiply
    14,730.49x = 20,328.05 × 8,358.33
  4. Step 4: Simplify right side
    14,730.49x = 169,908,508.36
  5. Step 5: Solve for x
    x = 169,908,508.36/14,730.49
  6. Step 6: Final answer
    x = 11,534.48

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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.