Home / 14,784.67-20,402.77-8,070.17

Finding the Fourth Proportional to 14,784.67, 20,402.77 and 8,070.17

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Solution

The fourth proportional to 14,784.67, 20,402.77 and 8,070.17 is: 11,136.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.67 : 20,402.77 = 8,070.17 : x
  2. Step 2: Convert to fraction form
    14,784.67/20,402.77 = 8,070.17/x
  3. Step 3: Cross multiply
    14,784.67x = 20,402.77 × 8,070.17
  4. Step 4: Simplify right side
    14,784.67x = 164,653,782.02
  5. Step 5: Solve for x
    x = 164,653,782.02/14,784.67
  6. Step 6: Final answer
    x = 11,136.79

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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.