Home / 14,911.04-20,577.71-8,196.95

Finding the Fourth Proportional to 14,911.04, 20,577.71 and 8,196.95

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Solution

The fourth proportional to 14,911.04, 20,577.71 and 8,196.95 is: 11,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,911.04 : 20,577.71 = 8,196.95 : x
  2. Step 2: Convert to fraction form
    14,911.04/20,577.71 = 8,196.95/x
  3. Step 3: Cross multiply
    14,911.04x = 20,577.71 × 8,196.95
  4. Step 4: Simplify right side
    14,911.04x = 168,674,531.92
  5. Step 5: Solve for x
    x = 168,674,531.92/14,911.04
  6. Step 6: Final answer
    x = 11,312.05

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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.