Home / 14,929.74-20,602.59-8,215.35

Finding the Fourth Proportional to 14,929.74, 20,602.59 and 8,215.35

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Solution

The fourth proportional to 14,929.74, 20,602.59 and 8,215.35 is: 11,336.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,929.74 : 20,602.59 = 8,215.35 : x
  2. Step 2: Convert to fraction form
    14,929.74/20,602.59 = 8,215.35/x
  3. Step 3: Cross multiply
    14,929.74x = 20,602.59 × 8,215.35
  4. Step 4: Simplify right side
    14,929.74x = 169,257,487.76
  5. Step 5: Solve for x
    x = 169,257,487.76/14,929.74
  6. Step 6: Final answer
    x = 11,336.93

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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.