Home / 10,204.61-14,070.77-9,209.57

Finding the Fourth Proportional to 10,204.61, 14,070.77 and 9,209.57

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Solution

The fourth proportional to 10,204.61, 14,070.77 and 9,209.57 is: 12,698.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.61 : 14,070.77 = 9,209.57 : x
  2. Step 2: Convert to fraction form
    10,204.61/14,070.77 = 9,209.57/x
  3. Step 3: Cross multiply
    10,204.61x = 14,070.77 × 9,209.57
  4. Step 4: Simplify right side
    10,204.61x = 129,585,695.22
  5. Step 5: Solve for x
    x = 129,585,695.22/10,204.61
  6. Step 6: Final answer
    x = 12,698.74

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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.